Question

33. When an ant stings a person, the solution of substance A is rubbed on the stung 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 an organic acid c. It is used in making pickles. Wher
solution of A is mixed with B, then a change D takes place to produce bubbles of gas E.
(0 What are substance A and B?
(in) Name the acid C.
(IM) What type of change is D?
(iv) Name the gas E.​

Answer 1

Answer:

Explanation:

A=baking soda

B=vineger

C=carbon dioxide

When baking soda is mixed with lime vineger neutralization reaction take place and carbon dioxide in the form of bubbles is produced as we know that baking soda is sodium hydrogen carbonate and vinegar is acetic acid so they netralize each other and bubbles are formed

Answer 2

a.A=Baking soda; B=Vinegar

b.C=Acetic acid

c.D is a chemical change as a new substance is formed.  

d.E=Carbon dioxide

E.The name of the reaction between substances A and B=Neutralization

hope it helps