Question : What is the chemical name of table salt?

Option 1: Potassium bromide

Option 2: Potassium chloride

Option 3: Sodium chloride

Option 4: Sodium bromide

Question : Which of the following gases is used in the manufacture of soft drinks?

Option 1: Oxygen

Option 2: Carbon dioxide

Option 3: Carbon monoxide

Option 4: Radon

Question : Which of the following is the product of the process of photosynthesis?

Option 1: Ammonia

Option 2: Chlorine

Option 3: Oxygen

Option 4: Carbon dioxide

Question : Which of the following is not a noble gas?

Option 1: Radon

Option 2: Argon

Option 3: Carbon

Option 4: Neon

Question : Which of the following has deuterium as one of its isotopes?

Option 1: Nitrogen

Option 2: Carbon

Option 3: Hydrogen

Option 4: Oxygen