2A1 Chemical Changes Practical by ST Tan https://padlet.com/shu_ting_tan/961b46kbjse2svss Keep your goggles and calm on all the time to witness some magical changes. Let's stay safe! en-us 2024-04-03 14:03:43 UTC 2024-04-05 02:33:04 UTC hello@padlet.com shu_ting_tan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941864210 2024-04-03 14:04:42 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941864210 shu_ting_tan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941865713 Each group will share your observations below. Press the plus button above to add a post for Activity 1. Please label your post with your group members' name.

]]> 2024-04-03 14:05:47 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941865713 shu_ting_tan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941866370 2024-04-03 14:06:18 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941866370 shu_ting_tan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941866454 2024-04-03 14:06:22 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941866454 shu_ting_tan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941866704 2024-04-03 14:06:33 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941866704 Demonstration video for Activity 3 shu_ting_tan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941867527 2024-04-03 14:07:12 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941867527 Demonstration video for Activity 4 shu_ting_tan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941868099 2024-04-03 14:07:33 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941868099 shu_ting_tan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941869696 Each group will share your observations below. Press the plus button above to add a post for Activity 2. Please label your post with your group members' name.

]]> 2024-04-03 14:08:37 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941869696 shu_ting_tan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941870309 Each group will share your observations below. Press the plus button above to add a post for Activity 3. Please label your post with your group members' name.

]]> 2024-04-03 14:09:02 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941870309 shu_ting_tan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941870609 Each group will share your observations below. Press the plus button above to add a post for Activity 4. Please label your post with your group members' name.

]]> 2024-04-03 14:09:13 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941870609 shu_ting_tan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941871968 What did you like about this practical?

What are some things that you observed that can be improved for this practical?

]]> 2024-04-03 14:10:14 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2941871968 https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942484174 2024-04-04 01:26:38 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942484174 https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942494947 2024-04-04 01:34:14 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942494947 https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942496127 2024-04-04 01:35:13 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942496127 Kabelle Gillian Jaevan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942505833 The mixture was red

]]> 2024-04-04 01:42:39 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942505833 Jasmin Selina Jacob https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942506037 A white precipitate was formed in the limewater.

]]> 2024-04-04 01:42:51 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942506037 engeline,yu hsin,benedict https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942506484 when the acid is added to the alkali it turns green

]]> 2024-04-04 01:43:15 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942506484 Gillian Kabelle https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942507309 It extinguished with a pop sound

]]> 2024-04-04 01:43:58 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942507309 Namna & Asfia https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942507807 when the acid touches the blue litmus, it turns red. But when the acid touches the red litmus, it remains red.

]]> 2024-04-04 01:44:24 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942507807 alex zhi yi jazlina https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942508097 it was fun as we got to understand more on how to find the changes

]]> 2024-04-04 01:44:34 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942508097 yu hsin, engeline and benedict https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942508313 when the lighted splinter was placed into the mouth of the test tube , a pop sound was produced

]]> 2024-04-04 01:44:44 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942508313 Jacob Jasmin selina https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942508455 We think it was fun and very interesting and interactive experience. The experiment made us understand the topic more as it was done by ourselves.

]]> 2024-04-04 01:44:51 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942508455 Erynne, Zahra, Wyndon https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942508600 In acid, blue litmus paper turns red and red litmus paper stays red.

When green universal indicator is added, the solution turns red .

In alkali, blue litmus paper stays blue and red litmus paper turns blue

In green universal indicator, alkali turns purple.

]]> 2024-04-04 01:44:59 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942508600 Namna & Asfia https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942509079 when the alkali is added to the acid, it remains red, therefore there is more acid than alkali

]]> 2024-04-04 01:45:25 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942509079 Rayyan, kreshen, Nassriffah https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942509704 It was very fun. But Kreshen needs to be extra careful next time and not waste so much hydrochloric acid and sodium hydroxide solution.

]]> 2024-04-04 01:45:57 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942509704 beam,nadira,kashwini https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942516776 it was fun trying hands on experiments as we get to experience what the experiments feels like in real life. really looking forward for more hands on project in the future.

]]> 2024-04-04 01:51:52 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942516776 amsyar grace yuu en https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942601898 The blue litmus paper turned red when it comes in contact with the acid.

]]> 2024-04-04 02:54:59 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942601898 https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942912716 2024-04-04 07:25:15 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942912716 https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942916838 2024-04-04 07:28:43 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942916838 https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942918854 2024-04-04 07:30:16 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2942918854 javen tar yar vasuki https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943897677 the acid turned the blue litmus paper red and the alkali turned the red litmus paper blue

]]> 2024-04-05 01:25:14 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943897677 Erynne, Wyndon & Zahra https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943901487 The liquid turned green

]]> 2024-04-05 01:27:43 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943901487 zhi yi, Jazlina, Alex https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943901685 when the acid touches the blue litmus paper, it turned red. when red litmus paper touches acid it remains red


]]> 2024-04-05 01:27:51 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943901685 Jasmin Selina Jacob https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943902342 When the lighted splinter is placed at the mouth of the test tube that contains hydrochloric acid and magnesium inside, the fire is extinguished with a 'pop' sound.

]]> 2024-04-05 01:28:14 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943902342 Beam, Nadira, Kashwini https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943902922 when acid touches blue litmus paper, it turns red. When acid touches red litmus paper, it remains red.

When alkali touches red litmus paper, it turns blue. When alkali touches blue litmus paper, it remains blue.

]]> 2024-04-05 01:28:32 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943902922 Erynne, Wyndon & Zahra https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943903613 When a magnesium strip was added to hydrochloric acid, bubbles were formed.


When the lighted splint was extinguished a 'pop' sound was heard.

]]> 2024-04-05 01:29:01 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943903613 Namna & Asfia https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943903625 It was a very fun and interesting experiment. We hope to do more practical in the future:)

]]> 2024-04-05 01:29:01 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943903625 zhi yi, Jazlina, Alex https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943903991 when acid touches the alkali it turns green

]]> 2024-04-05 01:29:16 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943903991 grace amsyar yu en https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943904877 the liquid turn red

]]> 2024-04-05 01:29:51 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943904877 Beam, Nadira, Kashwini https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943904951 When alkali is added to acid, it turns red.

]]> 2024-04-05 01:29:54 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943904951 javen tar yar vasuki https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943905008 the solution turned red

]]> 2024-04-05 01:29:56 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943905008 Gillian Kabelle Jaevan https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943905199 The magnesium ribbon was added to diluted hydrochloric acid and it turned bubbly and when the lighted splint was about to enter the mouth of the test tube it was extinguished with a pop sound

]]> 2024-04-05 01:30:02 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943905199 Erynne, Wyndon & Zahra https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943905356 When calcium carbonate was added to hydrochloric acid, bubbles were formed.


A white precipitate was formed in the limewater indicating presence carbon dioxide.

]]> 2024-04-05 01:30:08 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943905356 Namna & asfia https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943905956 When the lighted splint was placed at the mouth of the test tube, a pop sound was produced.

]]> 2024-04-05 01:30:32 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943905956 Zhi yi, Jazlina, Alex https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943905975 when the lighted wooden stick is place at the mouth of the test tube, it had a pop sound.

]]> 2024-04-05 01:30:33 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943905975 Beam, Nadira, Kashwini https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943907987 When a lighted wooden splint is placed at the mouth of the test tube, a pop sound is produced.

]]> 2024-04-05 01:31:57 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943907987 zhi yi, Jazlina, alex https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943908764 white precipitate was formed which was carbon doxide.

]]> 2024-04-05 01:32:30 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943908764 Jaevan.C Kabelle Gillian https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943909345 wow uh when i put the calcium carbonate into the dilute hydrochloric acid, the solution/mixture started bubbling.


when i inserted the plug, the delivery tube and the lime water together as shown the example a white precipitate was forrmed

]]> 2024-04-05 01:32:58 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943909345 Nassriffah, Rayyan, Kreshen https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943909353 Blue litmus paper turns red when acid touches it but when red litmus paper touches the acid it remains the same. When red litmus paper touches the alkali but when blue litmus paper touches the alkali it remains the same.

]]> 2024-04-05 01:32:58 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943909353 Jasmin Selina Jacob https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943909524 In the example experiment, when the alkali was added into the acid, it turns green. However, when we did it, we noticed it remained red. This may have been because there was not enough alkali added into the acid.

]]> 2024-04-05 01:33:06 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943909524 Ben, Yu Hsin, Engeline https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943909735 A white precipitate was formed in limewater test tube from chemical change.

]]> 2024-04-05 01:33:18 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943909735 Erynne, Wyndon and Zara https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943909753 This practical was fun. It was educational and helped us better understand chemical changes and how acid and alkali works. We also learnt how metal carbonates and metals work in acid. We hope that we have more practical sessions in the future.

]]> 2024-04-05 01:33:18 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943909753 kreshen rayyan nassrifa https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943911500 As the acid which was red (hydrochloric acid) and alkai which was blue(sodium hydroxide solution) were put together, neutralization and the liquid turned green, as it was neutral (ph7)


-kreshen :3

]]> 2024-04-05 01:34:44 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943911500 Beam, Nadira, Kashwini https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943912473 A white precipitate was formed in the limewater.

]]> 2024-04-05 01:35:16 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943912473 Namna & asfia https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943913142 a white precipitate was formed when the carbon dioxide came in contact with the lime water

]]> 2024-04-05 01:35:56 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943913142 Amsyar, Yu En, Grace https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943913486 when the magnesium strip was added into the test tube of 4cm3 of dilute hydrochloride acid, the dilute hydrochloride acid bubbled up. Then when the lighted splint was placed into the mouth of the test tube, it extinguished with a 'pop' sound.

]]> 2024-04-05 01:36:14 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943913486 https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943915024 seriously?

]]> 2024-04-05 01:37:29 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943915024 Jaevan.C Kabelle &gillian https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943919354 We had alot of fun trying out the different experiments, and also learnt more about chemical changes.


yayyyy

]]> 2024-04-05 01:41:04 UTC https://padlet.com/shu_ting_tan/961b46kbjse2svss/wish/2943919354