Chemistry Quartz is made of Sodium Sulphate Calcium Sulphate Sodium Silicate Calcium Silicate Sodium Sulphate Calcium Sulphate Sodium Silicate Calcium Silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Lignite Copper Dolomite Bauxite Lignite Copper Dolomite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Fe Hg Na Ag Fe Hg Na Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Lead Arsenic Aluminium Mercury Lead Arsenic Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Ammonia Carbon dioxide Hydrogen sulphide Chlorine Ammonia Carbon dioxide Hydrogen sulphide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Type metal Water Aluminium Cast-iron Type metal Water Aluminium Cast-iron ANSWER DOWNLOAD EXAMIANS APP
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