Which of the following is not correct with reference to Bio-sand Water Filter?
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In the process of ___, the iron is protected by a coating of zinc.
What is the action of dry HCl gas on dry litmus paper?
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Article 21 of the Indian Constitution "Protection of life and personal liberty" deals with?
Who of the following was the last Governor General of Bengal?
What title did the British confer Gandhi with, which was relinquished by him?
With which sport is the term 'Tee' connected?