Flash Card
The unit Dalton is used to express................. .
The valency of element with electronic configuration ........... is 2.
Which of the following materials has the highest density?
What is the SI unit of temperature?
The symbol of Avogadro’s number is ...............
Which instrument is used to measure mass?
Which of the following is a derived unit?
The mass of an atom is concentrated in its........... .
Which of the following statements about density is correct?
Which of the following is used to measure the volume of irregularly shaped objects?
............is a composite radical.
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?
What is the SI unit of density?
Which of the following materials expands the most when heated?
............ g of water make 1 mole of water.
The formula to calculate density is:
Which instrument is used to measure atmospheric pressure?
Molecular formula of sodium sulphate is.................
.............. is a bicarbonate radical
What is the SI unit of length?
What is the density of water?
A mole of any substance stands for ............... molecules.
Iron (Fe) exhibits the variable valencies as.............. .
