The molecular formula for water is

Metals are ductile, which means

A molecule made up of carbon and hydrogen is

Substance that is unable to dissolve in the solvent is known as

Ammonia is a colorless inorganic compound of nitrogen and

The number of metallic elements in the periodic table is close to

A soft, ductile and malleable metal with high conductivity of heat and electricity is

Water contains two hydrogen atoms and one

The process used to obtain the solute from a solution is known as

Obtaining sea salt from sea water is an example of

Water can be separated from salt through

An alloy contains at least one

Magnesium, calcium, phosphorus, sodium, potassium are some other elements found in

Most countries make use of _________ for making coins

The components of a mixture can be separated once they have been

Concrete is a mixture of cement, gravels and water, which is used for

One of the softest materials in a form of carbon that is primarily used as a lubricant is called

The most common source of carbon is

An element used as fuel, and will become the future overall fuel is known as

Hydrogen causes a balloon to lift up in

Elements that are sonorous or make a bell-like sound when struck, are called

The process by which water (and other liquids) change from a liquid state to a vapor or gas state is called

We breathe a gas. This gas is

The chemical symbol for Sulphur is

Gold is a good conductor of

It is used to make fertilizers, lead-acid batteries, and in many industrial processes and is called

At room temperature, mercury is the only metal that is in form of

The poor conductors of heat and electricity are

All compounds are molecules but not all molecules are

Except for one metal i.e. Mercury, rest of the metals are solids at