Chemistry The maximum number of covalent formed by nitrogen is 1 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Adsorption Absorption Coagulation Emulsification Adsorption Absorption Coagulation Emulsification ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular mass of a gas is Not related to its vapour pressure Half its vapour pressure Twice its vapour pressure Equal to its vapour pressure Not related to its vapour pressure Half its vapour pressure Twice its vapour pressure Equal to its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Manganese Bauxite Copper Iron Manganese Bauxite Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 4.84 x 1017 6.023 x 1019 6.023 x 1023 1.568 x 103 4.84 x 1017 6.023 x 1019 6.023 x 1023 1.568 x 103 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Al2O3 CaSO4, 2H2O Na2O + K2O CaO Al2O3 CaSO4, 2H2O Na2O + K2O CaO ANSWER DOWNLOAD EXAMIANS APP
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