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