When an ant stings a person, the solution of substance A is rubbed on the
sting area of the skin to get relief from pain. The substance A is also used in
kitchen for cooking purposes. Another substance B is sour in taste and contains
acetic acid. It is used in making pickles. When a solution of ‘A’ is mixed with ‘B’
then bubbles of a gas is produced.
(a) What can be substances (i) A and (ii) B.
(b) What type of change takes place when A is mixed with ‘B’?
(c) Name the gas produced in the above case?
Answers
Answer:
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Explanation:
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