What is the density of water?

Iron (Fe) exhibits the variable valencies as.............. .

Which of the following is a derived unit?

Molecular formula of sodium sulphate is.................

Which of the following materials has the highest density?

What is the SI unit of length?

The mass of an atom is concentrated in its........... .

The formula to calculate density is:

............is a composite radical.

A mole of any substance stands for ............... molecules.

The unit Dalton is used to express................. .

What is the SI unit of mass?

The SI unit of volume is:

Which of the following instruments is used to measure length with high precision?

............ g of water make 1 mole of water.

.............. is a bicarbonate radical

Which instrument is used to measure atmospheric pressure?

What is the SI unit of temperature?

The valency of element with electronic configuration ........... is 2.

Which of the following materials expands the most when heated?

Which of the following statements about density is correct?

The symbol of Avogadro’s number is ...............

What is the SI unit of density?

Which instrument is used to measure mass?

Which of the following is used to measure the volume of irregularly shaped objects?