Question : Bhopal gas tragedy is associated with the leakage of

Option 1: carbon dioxide

Option 2: Nitrogen dioxide

Option 3: Sulphur dioxide

Option 4: Methyl isocyanate

Question : Silver articles become black after their exposure to air because they react with _____________in the air.

Option 1: nitrogen

Option 2: hydrogen

Option 3: sulphur

Option 4: carbon dioxide

Question : Dry ice is the solid form of_____.

Option 1: carbon dioxide

Option 2: nitrogen

Option 3: oxygen

Option 4: hydrogen

Question : Which of the following gases is used to inflate the car tyres?

Option 1: Nitrogen

Option 2: Argon

Option 3: Hydrogen

Option 4: Carbon dioxide

Question : Which of the following gases is filled into incandescent bulbs to prolong the life of the filament?

Option 1: Ozone

Option 2: Nitrogen

Option 3: Oxygen

Option 4: Carbon Dioxide