Chemistry Calcium salts used as fertilizer is : Calcium Carbide Calcium Cyanide Calcium Carbonate Calcium Sulphate Calcium Carbide Calcium Cyanide Calcium Carbonate Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogenated wafers Aluminium sulphide Aluminium phosphide Hydrogen sulphide Hydrogenated wafers Aluminium sulphide Aluminium phosphide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Acidic property Basic property Reducing property Oxidising property Acidic property Basic property Reducing property Oxidising property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by None of these Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur None of these Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight a fraction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Lead Gold Calcium Iron Lead Gold Calcium Iron ANSWER DOWNLOAD EXAMIANS APP
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