Chemistry The purest form of water is Rain water Distilled water Ground water Tap water Rain water Distilled water Ground water Tap water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O Al2O3 CaO Na2O + K2O CaSO4, 2H2O Al2O3 CaO Na2O + K2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Zinc Nickel Silver Copper Zinc Nickel Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Gun powder Glass Cement Paint Gun powder Glass Cement Paint ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Alum Borax powder Soda powder Bleaching powder Alum Borax powder Soda powder Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas is : Chloroprene Carbonyl chloride Bleaching powder Nitrous oxide Chloroprene Carbonyl chloride Bleaching powder Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP