Fat and oils are used as raw materials in the following industries except?
A. paint industry B. plastic industry C. margarine industry D. cosmetics industry Correct Answer: Option B B. plastic industryThe quantity of electricity required to discharge 1 mole of univalent ion is?
A. 9,600 C B. 48,250 C C. 96,500 C D. 193,00 C Correct Answer: Option C C. 96,500 CWhat is the change in oxidation number of manganes in the reaction represented by the following equation? MnO-4(aq) + 8H+(aq) + 5e- → Mn2+(aq) + 4H2O(l)
A. +3 to + 2 B. + 4 to + 2 C. + 5 to + 2 D. + 7 to 2 Correct Answer: Option D D. + 7 to 2Which of the following statements about the electrolysis of CuSO4(aq) using copper cathode and platinum anode is not correct?
A. Copper is deposited at the cathode B. Oxygen is liberated at the anode C. it is used for the purification of copper D. The solution becomes acidic Correct Answer: Option C C. it is used for the purification of copperProducts
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