Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?
When an acid reacts with any metal, salt and hydrogen gas are formed. Metal + Acid → Salt + Hydrogen gas
Provide Some Important MCQ Questions for Class 10 Science Acids, Bases and Salts with Answers?
Give two important uses of washing soda and baking soda.
What is a neutralisation reaction? Give two examples.
Plaster of Paris should be stored in a moisture-proof container. Explain why?
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?