Chemistry The mass number of an atom is equal to the number of protons and electrons the number of protons the number of neutrons the number of nucleons the number of protons and electrons the number of protons the number of neutrons the number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Copper Dolomite Lignite Bauxite Copper Dolomite Lignite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Sodium Sulphate Calcium Sulphate Sodium Silicate Calcium Silicate Sodium Sulphate Calcium Sulphate Sodium Silicate Calcium Silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is pure It is colourless It is hard Its refractive index is high It is pure It is colourless It is hard Its refractive index is high ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Nickel Zinc Silver Copper Nickel Zinc Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Bhopal gas tragedy' 1984 is related to which gas Methyl bromide Aluminium Phosphide Carbon dioxide Methyl isocyanate Methyl bromide Aluminium Phosphide Carbon dioxide Methyl isocyanate ANSWER DOWNLOAD EXAMIANS APP
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