Question : Which of the following gases is used in a bulb?

Option 1: Hydrogen

Option 2: Carbon dioxide

Option 3: Carbon monoxide

Option 4: Argon

Question : Which among the following gases is also known as ‘Laughing Gas’?

Option 1: Sulphur dioxide

Option 2: Nitrogen oxide

Option 3: Carbon dioxide

Option 4: Carbon monoxide

Question : Which gas is used by chemical leaveners, such as baking powder and baking soda, to lighten and aerate baked goods?

Option 1: Nitrogen

Option 2: Carbon dioxide

Option 3: Helium

Option 4: Hydrogen

Question : At room temperature and atmospheric pressure, ______ has a density of 1.87 kg/m3, which is 1.5 times heavier than air and exists as a liquid below the critical temperature of 31°C.

Option 1: carbon dioxide

Option 2: nitrogen

Option 3: hydrogen

Option 4: lithium

Question : Ozone consists of which of the following?

Option 1: Oxygen only

Option 2: Oxygen and Nitrogen

Option 3: Hydrogen and Carbon

Option 4: Oxygen and Carbon