The heat required to raise the temperature of body by 1 K is called
Answer: B
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Which one of the following metals does not react with water to produce Hydrogen?
Answer: C
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Which of the following gases is the most toxic?
Answer: D
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The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind?
Answer: C
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pH of water is
Answer: C
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Which of the following is used to preserve specimens in the biology laboratory?
Answer: C
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The term PVC used in the plastic industry stands for
Answer: A
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The hottest part of the gas flame is known as
Answer: D
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---------- proposed the first atomic theory ?
Answer: C
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The mass number of a nucleus is
Answer: B
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