Which of the following processes is used to remove reducible oxides from the metal?
Answer: C
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Which among the following is not important for individual’s health?
Answer: D
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What is the element present in urea
Answer: D
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Which of the properties of the element is a whole number
Answer: B
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The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in
Answer: B
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Brass gets discoloured in air because of the presence of which of the following gases in air ?
Answer: A
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What is hottest part of the gas flame is called ?
Answer: D
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What is the simplest form of matter?
Answer: A
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The isotope atoms differ in ?
Answer: D
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In known elements, the maximum number is of
Answer: A
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