Which of the following materials expands the most when heated?

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

Which of the following statements about density is correct?

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

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

What is the SI unit of mass?

Which instrument is used to measure atmospheric pressure?

What is the density of water?

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

The SI unit of volume is:

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

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

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

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

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

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

The formula to calculate density is:

What is the SI unit of density?

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

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

Which instrument is used to measure mass?

What is the SI unit of length?

What is the SI unit of temperature?

Which of the following is a derived unit?

Which of the following materials has the highest density?