The hardened material available on earth is
Answer: B
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In a laser (say neon laser) all the atoms emit the light waves of
Answer: D
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Lime water contains -
Answer: C
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Smallest form of bacteria is called-
Answer: B
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What is the wavelength of visible spectrum?
Answer: C
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The most important ore of aluminium is
Answer: D
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Which of the following animals have teeth in their stomach?
Answer: B
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How does common salt help in separating soap from the solution after saponification?
Answer: B
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What is the name of the cells in the body that engulf foreign particles like bacteria?
Answer: B
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The wonder pigment chlorophyll is present in
Answer: C
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