Chemistry Which of the following is not present in German-silver? Copper Silver Zinc Nickel Copper Silver Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium A and C A, C and E A, B, C, D and E B, D and E A and C A, C and E A, B, C, D and E B, D and E ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is calcite dolomite magnesite carnallite calcite dolomite magnesite carnallite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP
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