Question : What is a common name for the substance which irritates lacrimal glands?

Option 1: Tear gas

Option 2: Laughing gas

Option 3: Anaesthetic gas

Option 4: Noble gas

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 : Trichloromethane is the IUPAC name of __________.

Option 1: glycerol

Option 2: bleaching powder

Option 3: benzene hexachloride

Option 4: chloroform

Question : The hardness of the water is commonly measured in terms of:

Option 1: calcium carbonate equivalents

Option 2: calcium sulphate equivalents

Option 3: magnesium carbonate equivalents

Option 4: magnesium sulphate equivalents

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