A solution of a substance 'X' is used for white .washing.
(i) Name the substance 'X' and write its formula.
(ii) Write the reaction of the substance 'X' named in fi) above with
water.
Why is the amount of gas collected in one of the test tubes in Activity
1.7 double of the amount collected in the other? Name this gas.
Answers
Answered by
7
Answer:The substance 'X' which is used in white washing is calcium oxide or quick lime and its formula is CaO.
Explanation:
Answered by
6
Answer:
the substance X is - calcium carbonate( CACO3)
No reaction will take place
Explanation:
no reaction take place because CACO3 is limestone and solid
the amount of gas collected in one of the test tube is double of the amount collected in other because in the electrolysis of water the hydrogen and oxygen decomposes from water and in water there are two molecules of hydrogen and 1 of oxygen
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