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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.

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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.

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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.

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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.

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What did you like about this practical?

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

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The mixture was red

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A white precipitate was formed in the limewater.

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seriously?

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when the acid is added to the alkali it turns green

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It extinguished with a pop sound

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when the acid touches the blue litmus, it turns red. But when the acid touches the red litmus, it remains red.

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it was fun as we got to understand more on how to find the changes

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when the lighted splinter was placed into the mouth of the test tube , a pop sound was produced

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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.

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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.

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when the alkali is added to the acid, it remains red, therefore there is more acid than alkali

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It was very fun. But Kreshen needs to be extra careful next time and not waste so much hydrochloric acid and sodium hydroxide solution.

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The blue litmus paper turned red when it comes in contact with the acid.

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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.

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the acid turned the blue litmus paper red and the alkali turned the red litmus paper blue

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The liquid turned green

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when the acid touches the blue litmus paper, it turned red. when red litmus paper touches acid it remains red

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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.

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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.

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When a magnesium strip was added to hydrochloric acid, bubbles were formed.

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

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It was a very fun and interesting experiment. We hope to do more practical in the future:)

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when acid touches the alkali it turns green

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the liquid turn red

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When alkali is added to acid, it turns red.

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the solution turned red

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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

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When calcium carbonate was added to hydrochloric acid, bubbles were formed.

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

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When the lighted splint was placed at the mouth of the test tube, a pop sound was produced.

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when the lighted wooden stick is place at the mouth of the test tube, it had a pop sound.

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When a lighted wooden splint is placed at the mouth of the test tube, a pop sound is produced.

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white precipitate was formed which was carbon doxide.

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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

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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.

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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.

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A white precipitate was formed in limewater test tube from chemical change.

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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.

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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

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A white precipitate was formed in the limewater.

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a white precipitate was formed when the carbon dioxide came in contact with the lime water

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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.

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We had alot of fun trying out the different experiments, and also learnt more about chemical changes.

yayyyy