Andhra Pradesh Board Solutions for Chapter: Acids, Bases and Salts, Exercise 7: Improve your learning

A milkman adds a very small amount of baking soda to fresh milk.
a) Why does he shift the pH of the fresh milk from $6$ to slightly alkaline?
b) Why does this milk take a long time to set as curd?

Plaster of Paris should be stored in moisture-proof container. Explain why?

Compounds such as alcohols and glucose contain hydrogen but are not categorised as acids. Describe an activity to prove it.

What is meant by "Water of crystallisation" of a substance? Describe an activity to show the water of crystallisation.

Draw a neat diagram showing acid solution in water conducts electricity.

How does the flow of acid rain into a river make the survival of aquatic life in a river difficult?

What is baking powder? How does it make the cake soft and spongy?

Give two important uses of washing soda and baking soda.