Reaction of Ammonia with Acids

Q.

What is observed when ammonia is mixed with hydrochloric acid?

1. The pungent-smell of ammonia cannot be observed

2. White fumes are formed

3. No reaction takes place

4. A brown ring is formed in the glass jar

Q. Name the gas evolved when the mixture of calcium hydroxide and ammonium chloride is heated.

Q. (a) Define efflorescence. Give examples.

Q. Complete the given equation:

___________ + $HCl\to N{H}_{4}Cl$

1. $N{H}_3$
2. $C{l}_2$
3. $N{H}_4$
4. $N_2$

Q. The salt formed by the reaction between hydrogen chloride and ammonia has _________ vapours.

1. blue
2. yellow
3. white
4. colourless

Q. Complete the given equation:

___________ + $HCl\to N{H}_{4}Cl$

1. $N{H}_3$
2. $N{H}_4$
3. $C{l}_2$
4. $N_2$

Q. The salt formed by the reaction between hydrogen chloride and ammonia has _________ vapours.

1. white
2. colourless
3. blue
4. yellow