Assessment

Chlorine was first discovered by

• Priestley

• Scheele

• Davy

• Newton

One of these is not a halogen

• Astasin

• Chlorine

• Radon

• Iodine

In which year was chlorine discovered?

Hydrogen chloride was discovered in the year.....

All these are properties of chlorine except

• Less dense than air

• Denser than air

• Greenish yellow in colour

• Poisonous gas

Chlorine is prepared industrially by

When a gas gives a white precipitate with silver nitrate, then it is likely to be

Mn02 + Hcl--------->Mncl+A +cl2

What Is A?

• H20

• Hcl

• 2Hbr

• 2Hi

Another name for marine gas is

One of these is used as a bleaching agent.

• Hcl

• Bromine

• Chlorine

• Fluorine