The percentage of nitrogen present in ammonia sulphate is -
Answer: B
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A device which converts AC into DC is known as -
Answer: B
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The group of metals Fe, Co, Ni may best called as
Answer: A
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Which one of the following types of waves are used in a night vision apparatus?
Answer: C
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Among the following animals, choose the one having three pairs of legs
Answer: A
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Medicine for high blood pressure is obtained from-
Answer: C
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The vast resources of unutilised natural gas can be used in the production of
Answer: C
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Which of the following metals remain in liquid for under normal conditions?
Answer: D
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................mixtures are used for making a glass
Answer: D
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Which of the following is used for removing air bubbles from glass during its manufacture ?
Answer: C
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