Question

(MCQ)

1.) Identify each salt as acidic , basic or neutral

a. KCl b. NaNO3 c. (NH4)2SO4


Fill in the blanks:-

2.) MgCl2 is made from………acid and ……… base

3.)A. Why is it advised to brush your teeth after

every meal?


B.) Name the acid produced in Stomach?


C.) How does aquatic life get affected due to acid rain?


4.) How does an antacid work? Name two common

antacids.


5.) A plant grows best when the pH of the soil is7.2.

But the pH of the soil is found to be 5.6.Name the

chemical (and its nature also) that should be added to

the soil to adjust its pH to make it suitable for plant
growth.​

Answer 1

Answer:

Oh my .......................