Question

1. Name an indicator which is red in acid solution but turns blue in basic solution.

2. When a solution is added to vanilla extract, then the characteristic smell of vanilla cannot

be detected. State whether the given solution is an acid or a base.

3. How will you test for the gas which is liberated when hydrochloric acid reacts with an

active metal?

4. How is the concentration of hydronium ions affected when the solution of an acid is

diluted?

5. What happens when an acid reacts with a metal hydrogen carbonate? Write equation of

the reaction which takes place.

6. What is a neutralization reaction? Explain with an example. Give the chemical equation

of the reaction which takes place.

7. Why does distilled water not conduct electricity whereas rain water does?

8. Compounds such as alcohol and glucose also contain hydrogen but are not categorized as

acids. Describe an activity to prove it.

9. What happens when nitric acid is added to egg shell? Write its chemical equation.

10. Equal lengths of magnesium ribbons are taken in test tubes A and B. Hydrochloric acid is

added to test tube A while acetic acid is added to test tube B. In which test tube, will the

reaction occur more vigorously and why?​

Answer 1

Answer:

Hloo..yrr itna bada question ....

Explanation:

Red litmus paper is red in an acid solution and turns blue in a basic solution......