Formation of Acids

Q. Non-metallic oxides react with water to form .

1. acids
2. bases
3. hydroxides

Q.

During lightning nitrogen and oxygen react to form oxides of nitrogen.

1. True

2. False

Q.

Lightning strokes are a natural source for the occurrence of nitrogen oxides.

1. True

2. False

Q. $H_{2}S{O}_4$ is an example of antacid that helps in reducing the acidity in stomach.

1. True
2. False

Q.

According to Arrhenius theory, which of the given options is correct?

1. $H^{+}$ ions are accepted in solution by an acid.

2. $H^{+}$ ions are formed in solution by an acid.

3. $O{H}^{-}$ ions are formed in solution by an acid.

4. $O{H}^{-}$ ions are lost in solution by a acid.

Q. ${\text{H}}^{+}$ ion comes from the ionization of which of these?

1. Acids
2. Bases
3. Either acids or bases
4. Alkalis

Q. Choose the correct pairs of the non-metal oxides and the acids formed when they react with water.

1. Carbon dioxide
2. Nitrogen dioxide
3. Sulphur dioxide
4. Sulphuric acid
5. Carbonic acid
6. Nitric acid

Q.

Which of the following salts when dissolved in water will get hydrolysed to form an acidic solution?

1. $NaCl$

2. ${NH}_{4}Cl$

3. $CaC{l}_2$

4. $KCl$