IIT JEE 2007 Practice : CHEMISTRY - Multiple Choice

Each question below has only one correct answer.
In the IIT-JEE, you will be awarded 3 marks for each correct answer and −1 for each incorrect answer.
You will be awarded 0 marks for not attempting a question.

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Multiple choice

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Which are the respective methods chiefly employed for the extraction of lead and tin from their ores?   Self reduction and electrolytic reduction   Cyanide reduction and carbon reduction   Self reduction and carbon reduction   Carbon reduction and electrolytic reduction   Hint Half-n-half Clue

 

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