My dazzling backchannel by pravisha ravi https://padlet.com/pravisharavi1/ucfptwdvngxy Made with eyes on the prize en-us 2018-09-30 15:42:34 UTC 2023-09-12 16:37:14 UTC hello@padlet.com pravisharavi1 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/287739891 what do you think an acd is?]]> 2018-10-01 16:58:43 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/287739891 pravisharavi1 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/287741011 What are acids and bases examples?]]> 2018-10-01 17:00:24 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/287741011 pravisharavi1 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/287741496 What does a base taste like?]]> 2018-10-01 17:01:12 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/287741496 pravisharavi1 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/287743177 what are the safety precautions  when using acids?]]> 2018-10-01 17:03:55 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/287743177 pravisharavi1 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/287743750 can you propose definition for acid and base?]]> 2018-10-01 17:04:40 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/287743750 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289919575
  •  Examples of Acids - vinegar (acetic acid) , and lemon juice (citric acid) 
    • ]]>     2018-10-06 15:45:11 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289919575     https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289919745 Examples of Bases- soap, baking soda ]]> 2018-10-06 15:46:28 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289919745 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289919831 Bases taste bitter                                   excellent answer     ]]> 2018-10-06 15:47:09 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289919831 pravisharavi1 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289920022 Please write your name and grade( 7A,7B,7C,7D)]]> 2018-10-06 15:48:32 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289920022 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289920542  1.Wear goggles and gloves. 2.Dress appropriately for handling corrosive materials. 3. Locate the shower and eyewash before starting. These are the safety precautions.]]> 2018-10-06 15:52:19 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289920542 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289920861 Acid- An acid is a molecule or ion capable of donating a hydron .Bases- A base is a molecule that accepts a hydrogen ion.                                                                                                                 good      ]]> 2018-10-06 15:54:38 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289920861 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289920886 -Sherin 7A]]> 2018-10-06 15:54:48 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289920886 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289930109 1Q.What do you think an acid is?                      ans) I think an acid is something that releases hydrogen ions.                                                      - Ahana 7A]]> 2018-10-06 17:04:24 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289930109 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289931330 2.What are  the examples of acids and bases ?  ans )Examples of acids - Carbonic acid in soft drink, Citric acid in oranges and lemons, Acetic acid in vinegar etc                                  Examples of bases - ammonia in fertilizers and cleaning agents, sodium bicarbonate in baking soda, sodium carbonate in detergent etc                                                                              Ahana 7A                                                               ]]> 2018-10-06 17:13:59 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289931330 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289933290 3. What does a base taste like ?                                Usually a base tastes bitter.                                  Ahana 7A]]> 2018-10-06 17:30:36 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289933290 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289933891 4Q.  What are the safety precautions when using acids ?                                                            1. Safety glasses are to be worn whenever working with acids.                                                 2.Use plastic gloves when handling acid materials to prevent skin contact.                         3. Dispose used solutions in a responsible manner.                                                                  4. Clean equipment after usage.                          Ahana 7A]]> 2018-10-06 17:35:42 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289933891 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289935944 5Q.Can you propose definition for acid and base ?                                     
    ans) An acid is anything that donates protons and a base is anything that accepts a proton.We could also say that if a liquid produces more hydrogen it is an acid and if it produces more hydroxide it is a base.           Ahana 7A 
    ]]>     2018-10-06 17:54:16 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289935944     https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289939419 Q1.an acid is a molecule or ion capable for donating hydron
    Anita-7 A

    ]]>     2018-10-06 18:26:14 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289939419     https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289939579 Q2.acids .vinegar,lemon juice
    Bases.baking soda,detergent
    Anita. 7.A ]]>     2018-10-06 18:27:43 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289939579     https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289939640 Questions. A base tastes bitter
    Anita. 7a]]>     2018-10-06 18:28:26 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/289939640     https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/290020465 2018-10-07 12:53:46 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/290020465 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/290367608 DEFINITION: An acid is solution which donates a proton, while a base is a solution which attracts protons.                                                                                                                                                                           EXAMPLES: ACID- citric acid, Lactic acid, Tartaric acid, Hydrochloric acid, etc.                                                                     BASES- Baking soda, Soap, Cucumber, etc.                                                                                       TASTES: A base tastes bitter and an acid tastes sour.                                                                                                                                                                                                                                                                                         Joslin - 7D                                                                           Good]]> 2018-10-08 16:00:41 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/290367608 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292143990 1.Acids taste sour]]> 2018-10-12 13:14:34 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292143990 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292144437 2. The examples of acid are oranges and juicy fruits the examples of bases are tooth paste ]]> 2018-10-12 13:15:31 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292144437 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292144967 3.Bases taste like bitter      ]]> 2018-10-12 13:16:30 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292144967 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292146756 4.Precautions taken while handling acids is the following:                                                                                   *inform someone when acid spills or if the tube breaks                                                                              *keep acids away from eye and the complete body                                                                                        *Do experiment under adult supper vision                                                                                                       ]]> 2018-10-12 13:20:07 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292146756 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292147557   5.Acids are sour                                                                                                                                                          things can be tested whether they are acid or base by litmus paper there are two kinds of litmus         paper like red and blue litmus paper rd litmus paper says whether it is base. Blue litmus paper       says whether it is acid                                                                                                          ]]> 2018-10-12 13:21:42 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292147557 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292149029
    ]]>     2018-10-12 13:24:59 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292149029     https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292232285 An acid is a chemical substance usually a liquid, which contains hydrogen and can react with other substances to form salts. Eg: Citric acid ,malic acid, lactic acid                                                                        A base is something that accepts a proton. Eg: Toothpaste, soap solution                                            Prathna Malani 7-D                                                                                                         very good]]> 2018-10-12 15:51:11 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292232285 pravisharavi1 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292396290 well done]]> 2018-10-13 08:21:31 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/292396290 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/307844496 all things are either acids or bases.acids are mostly sour.eg;orange.bases are mostly bitter eg;toothpaste.if a liquid produces more hydroxide,it is a base,and if a liquid produces more hydrogen,it is a acid.the acids and bases behave differently.acids take sour and they cause kerosene and bases are slippery.AVANTIKA MANOJ 7D]]> 2018-11-26 15:53:27 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/307844496 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/310127381 2018-12-02 05:54:51 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/310127381 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/310127383 2018-12-02 05:54:54 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/310127383 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/311408701 1) An acid is a substance that has the pH value less than 7.                                                                                2) acids - orange, vinegar.          bases - baking soda, soap.                                                                                  3) Bases taste bitter.                                                                                                                                                    4) We should wear goggles and gloves.                                                                                                                  5) Acids have the pH scale less than 7 and Bases have the pH scale more than 7.]]> 2018-12-05 15:31:55 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/311408701 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/311408892 Akshadaa - 7B]]> 2018-12-05 15:32:15 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/311408892 https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/312499438  Acids turn litmus paper red, bases turn it blue.                                                                                                 Strong bases can be slippery and slimy feeling                                                                                                 Acids taste sour, bases taste bitter.                                                                                                                       Acids and bases can help neutralize each other                                                                                                     Isra Ibrahim 7C]]> 2018-12-08 13:19:59 UTC https://padlet.com/pravisharavi1/ucfptwdvngxy/wish/312499438