1 Which oxide reacts with hydrochloric acid? A Sulphur dioxide B Carbon dioxide C Zinc oxide D Nitrogen dioxide
4 Acid rain mainly damages: A Plastic materials B Forests and buildings C Glass objects D Metals only
6 Amphoteric oxides react with: A Only acids B Only bases C Both acids and bases D Neither acids nor bases
7 Which gas is released during the reaction of zinc with dilute sulphuric acid? A Oxygen B Hydrogen C Nitrogen D Sulphur dioxide
8 Which gas is primarily responsible for acid rain formation? A Carbon dioxide B Nitrogen C Sulphur dioxide D Methane
10 Which gas is released when metals react with acids? A Oxygen B Nitrogen C Hydrogen D Carbon dioxide
15 Which oxide reacts with sodium hydroxide? A Sulphur dioxide B Zinc oxide C Magnesium oxide D Calcium oxide
17 Photochemical smog is mainly formed due to the reaction of nitrogen oxides with: A Carbon monoxide B Sulphur dioxide C Hydrocarbons in sunlight D Oxygen at night
18 Which oxide is acidic in nature? A Calcium oxide B Magnesium oxide C Sulphur dioxide D Sodium oxide
19 Which metal reacts with oxygen to form a protective oxide layer? A Iron B Aluminium C Zinc D Copper