Chemistry The first metal used by man was gold iron bronze copper gold iron bronze copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ag Cu Au Ge Ag Cu Au Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium stearate Sodium salt of benzene sulphonic acid Sodium salt of benzene carboxylic acid Sodium palmitate Sodium stearate Sodium salt of benzene sulphonic acid Sodium salt of benzene carboxylic acid Sodium palmitate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular mass of a gas is Half its vapour pressure Equal to its vapour pressure Twice its vapour pressure Not related to its vapour pressure Half its vapour pressure Equal to its vapour pressure Twice its vapour pressure Not related to its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [Cu(NH3)4]2+ [CrO4]2− [CoF6]3+ [Ti(H2O)6]3+ [Cu(NH3)4]2+ [CrO4]2− [CoF6]3+ [Ti(H2O)6]3+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry A solution is A homogeneous mixture of two or more substances A solid dissolved i water A mixture of two liquids A solid dissolved in a liquid A homogeneous mixture of two or more substances A solid dissolved i water A mixture of two liquids A solid dissolved in a liquid ANSWER DOWNLOAD EXAMIANS APP
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