Which of the following is not correct with reference to Bio-sand Water Filter?
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What are stars primarily made of?
Which of the following elements was the last element in Newland's Law of Octaves?
The hardest natural substance is
Which of the following is used to get relief when you have been stung by a honeybee?
If Metal A displaces Metal B from its solution, then Metal A ____.
Which of the following metals does NOT react with cold or hot water?
Atomic mass of Sulphur is 32 u. The number of moles in 16 grams of Sulphur is: