Sand is made up of

Chalk consists of

A. calcium

B. carbon dioxide

C. oxygen

D. all of them

Elements resting in the same group share same

A. physical properties

B. chemical properties

C. special properties

D. bonding properties

Carbon, hydrogen and oxygen combine together to make

A. sugar

B. polythene

C. chalk

D. common salt

A substance which consists of two or more elements which have been combined chemically is called

A. element

B. compound

C. mixture

D. solute

The person who first arranged elements in form of periodic table was

A. Lewis

B. Mendeleev

C. Thomas

D. Darwin