SO2 reacts with Cl in sunlight to form__________?

A. Sulphur dioxide
B. Sulphuryl chloride
C. Suphanyl chloride
D. All of the above

Oxidation state +1 for phosphorous is found in___________?

A. H3po3
B. H3po4
C. H3po2
D. H2p2o7

Electric bulb filament is made of__________?

A. Copper
B. Aluminum
C. Lead
D. Tungsten

Tetraethyl lead is used as______?

A. Pain killer
B. Fire extinguisher
C. Mosquito repellent
D. Petrol additive

The average salinity of sea water is________?

A. 3%
B. 3.5%
C. 2.5%
D. 2%

The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:_______?

A. Bromine
B. Fluorine
C. Chlorine
D. Sulphur

Non stick cooking utensils are coated with________?

A. Black paint
B. Pvc
C. Teflon
D. Polystyrene

Which of the following are the ingredients of gun metal?

A. Iron, zinc and titanium
B. Iron and tin
C. Iron, brass and tin
D. Copper, tin and zinc

Marsh gas is_______?

A. Nitrogen
B. Ethane
C. Methane
D. Hydrogen

LPG consists of mainly:___________?

A. Methane, ethane and hexane
B. Ethane, hexane and nonane
C. Methane, hexane and nonane
D. Methane, butane and propane