Chemistry Bauxite is an alloy of which of the following metals ? Aluminium Silver Iron Tin Aluminium Silver Iron Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sand and TNT Sulphur, sand and charcoal Nitre, sulphur and charcoal TNT and charcoal Sand and TNT Sulphur, sand and charcoal Nitre, sulphur and charcoal TNT and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol react chemically ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Elasticity Floatation Viscosity Surface tension Elasticity Floatation Viscosity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is bromine oxygen fluorine sodium bromine oxygen fluorine sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O Al2O3 CaSO4, 2H2O CaO Na2O + K2O Al2O3 CaSO4, 2H2O CaO ANSWER DOWNLOAD EXAMIANS APP