Chemistry The most electropositive elements among the following is K Cs Ca Na K Cs Ca Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Phosphorous Sulphur Silicon Magnesium Phosphorous Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an elimination reaction an oxidation reaction an addition reaction a condensation reaction an elimination reaction an oxidation reaction an addition reaction a condensation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Bleaching powder Borax powder Alum Soda powder Bleaching powder Borax powder Alum Soda powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Hydrogen Oxygen Nitrogen Carbon Hydrogen Oxygen Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ammonial is a mixture of Aluminium powder and ammonium sulphate Aluminium powder and ammonium chloride Aluminium powder and ammonium nitrate Aluminium powder and potassium nitrate Aluminium powder and ammonium sulphate Aluminium powder and ammonium chloride Aluminium powder and ammonium nitrate Aluminium powder and potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
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