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

What is the density of water?

Which of the following is a derived unit?

Which instrument is used to measure mass?

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

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

Which of the following materials expands the most when heated?

The formula to calculate density is:

Which of the following statements about density is correct?

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

What is the SI unit of temperature?

What is the SI unit of density?

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

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

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

What is the SI unit of mass?

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

Which of the following materials has the highest density?

Which instrument is used to measure atmospheric pressure?

The SI unit of volume is:

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

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

What is the SI unit of length?

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

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