Chemistry Quiz by pain_slayer08

How many states do matter have?

• 2

• 3

• 4

• 5

What is the chemical name of mercury?

• Plumbum

• Hydragyrum

• Oxygen

• Nihonium

The modern and the most efficient technique of separating coloured substances is called ___________

What is the percentage of nitrogen in the air?

• 78.00%

• 78.02%

• 78.03%

• 78.01%

It was the discovery of Oxygen by ____________

In fire extinguishers, the gas used is -

• Hydrogen

• Carbon Dioxide

• Oxygen

• Nitrogen

Rust is -

• Hydrogen Peroxide

• Iron sulphate

• Hydrated iron oxide

• Iron oxide

Marble is a form of -

• Calcium chloride

• Calcium hydroxide

• Calcium carbonate

• Calcium sulphide

Duralumin is an alloy of aluminium and -

• Magnesium

• Calcium

• Sodium

• All of these

How many atoms of Hydrogen are there in water compound?

• 2

• 1

• 3

• 4