The metal used to recover copper from a solution of copper sulphate is
Answer: D
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Elements that show the properties of both metals and non metals are called ?
Answer: D
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A radioactive substance has a half life of four months, three-fourth of the substance would decay in
Answer: C
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Is C2 Paramagnetic or Diamagnetic?
Answer: B
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What is the hardest form of carbon ?
Answer: D
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A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at :
Answer: D
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Neutron was discovered by
Answer: B
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Of the following radiations, the most easily stopped by air
Answer: A
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When formaldehyde and potassium hydroxide are heated, we get
Answer: B
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Iodine can be separated from a mixture of Iodine and Potassium Chloride by ?
Answer: C
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