Which of the following is not correct with reference to Bio-sand Water Filter?
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What product is formed when electricity is passed through an aqueous solution of sodium chloride?
Who received the Dinanath Mangeshkar award for 2015?
Which of the following does NOT contribute to sparkling of diamonds?
Which of the following technique is used to know the age of a tree in years?
The planet Mars is also known as the ____.
The state of matter can be changed into another state by changing the
If Metal A displaces Metal B from its solution, then Metal A ____.