Chemistry The most abundant metal in the Earth’s crust is Copper Aluminium Iron Zinc Copper Aluminium Iron Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Oxidation Electrolysis Fractional distillation Reduction Oxidation Electrolysis Fractional distillation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 19 16 17 18 19 16 17 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium An insect A fungus A seed plant A bacterium An insect A fungus A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air is said to be saturated when : It blows over the barren land Its pressure is minimum It contains maximum content of water vapour Its thickness is maximum It blows over the barren land Its pressure is minimum It contains maximum content of water vapour Its thickness is maximum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Reduction in the cost of cement Increasing the strength of cement Rapid setting of cement Preventing rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Rapid setting of cement Preventing rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP