Question : Which among the following is a covalent compound?

Option 1: Calcium chloride

Option 2: Magnesium fluoride

Option 3: Sodium chloride

Option 4: Carbon tetrachloride

Question : What is the chemical name of Marble?

Option 1: Magnesium oxide

Option 2: Sodium hydroxide

Option 3: Calcium hydroxide

Option 4: Calcium carbonate

Question : Limestone, chalk and marble are different forms of ____________.

Option 1: calcium carbonate

Option 2: sodium carbonate

Option 3: potassium carbonate

Option 4: magnesium carbonate

Question : Which of the following compounds is used as a drying agent?

Option 1: Calcium oxide

Option 2: Gypsum

Option 3: Calcium chloride

Option 4: Calcium hydroxide

Question : Milkiness observed on passing of carbon dioxide through lime water is due to the formation of:

Option 1: calcium hydroxide

Option 2: calcium bicarbonate

Option 3: calcium carbonate

Option 4: calcium chloride