Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Sulphuric acid Acetic acid Carbonic acid Formic acid Sulphuric acid Acetic acid Carbonic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Cast-iron Aluminium Water Type metal Cast-iron Aluminium Water Type metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Acetic acid Aqua-regia Hydrochloric acid Nitric acid Acetic acid Aqua-regia Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate None of these Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc blende Zinc sulphate Zinc carbonate Zinc oxide Zinc blende Zinc sulphate Zinc carbonate Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
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