Chemistry What is the principal ore of aluminium ? Dolomite Copper Lignite Bauxite Dolomite Copper Lignite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is a noble gas It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas It is lighter than air Its atomic number is 2 It is one of the constitutents of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper and zinc Copper, tin and zinc Tin and lead Copper and tin Copper and zinc Copper, tin and zinc Tin and lead Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules Subjecting oxygen to high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Anode Cathode Vessel Electrolyte Anode Cathode Vessel Electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cloud is a colloidal dispersion of Fog in a dispersion medium of water Water drops in a dispersion medium of air Air in a dispersion medium of water Mist in a dispersion medium of air Fog in a dispersion medium of water Water drops in a dispersion medium of air Air in a dispersion medium of water Mist in a dispersion medium of air ANSWER DOWNLOAD EXAMIANS APP