Carbon, diamond and graphite are together called:
Answer: A
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Water has maximum density at?
Answer: C
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A chemical substance secreted by particular species of animal to attract another member of same species is:
Answer: A
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Photosynthesis is?
Answer: D
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If a bar magnet is broken into two pieces, then
Answer: A
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The type of glass used in making prisms and lenses is?
Answer: C
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Nautical mile is a unit of distance used in:
Answer: A
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The gas usually causing explosions in coal mines is?
Answer: C
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Diamond is an allotropic form of:
Answer: B
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Air is a/an:
Answer: D
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