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

The SI unit of volume is:

Which of the following materials has the highest density?

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

What is the SI unit of mass?

Which of the following is a derived unit?

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

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

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

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

What is the SI unit of density?

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

What is the density of water?

What is the SI unit of length?

Which of the following statements about density is correct?

The formula to calculate density is:

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

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

Which instrument is used to measure mass?

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

Which instrument is used to measure atmospheric pressure?

What is the SI unit of temperature?

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

Which of the following materials expands the most when heated?

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