Chemistry General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	A certain liberate 0.5 g of hydrogen in 2 h. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphare solution?	12.7 gm 15.9 gm 31.8 gm 63.5 gm
2	A current of 9.65 ampere flowing for 10 minutes deposits 3.0 g of the metal which is monovalent the atomic mass of the metal is	10 50 30 96.5
3	A solution of sodium sulphate was electrolysed using some inert electrodes.The products at the electrodes are	O<sub>2</sub>, H<sub>2</sub> <span style="font-size: 14.44444465637207px;">O</span><sub>2</sub><span style="font-size: 14.44444465637207px;">, Na</span> <span style="font-size: 14.44444465637207px;">O</span><sub>2</sub><span style="font-size: 14.44444465637207px;">, SO</span><sub>2</sub> <span style="font-size: 14.44444465637207px;">O</span><sub>2</sub><span style="font-size: 14.44444465637207px;">, S</span><sub>2</sub>O<sup>2</sup>-<sub>8</sub>
4	A cell constant is generally found by measuring the conductivity of aqueous solution of	BaCI<sub>2</sub> KCI NaCI MgCI<sub>2</sub>
5	An electrolyte	Forms complex ions in solution Gives ions only when electricity is passed Possesses ions even in solid state Gives ions only when dissolved in water

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