Q681
Open questionSynthetic detergents are prepared from
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Q682
Open questionWhat is a mixture of potassium nitrate, powdered charcoal and sulphur called?
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Q683
Open questionIodex, a pain relief balm, has the smell of ________ .
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Q684
Open questionSilver halides are used in photographic plates because they are
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Q685
Open questionWho developed Hydrogen Bomb?
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Q686
Open questionSynthetic detergents are made from
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Q687
Open questionCommonly used antiseptic 'Dettol' is a mixture of
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Q688
Open questionThe gas used in the artificial ripening of fruits is
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Q689
Open questionThe common refrigerant in domestic refrigerator is
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Q690
Open questionThe chemical used in embalming biological materials is
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Q691
Open questionThe chemical used for cloud seeding for artificial rains is
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Q692
Open questionWhich of the following is used as anesthetic ?
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Q693
Open questionAspirin is chemically known as
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Q694
Open questionGypsum is used for improvement of:
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Q695
Open questionWhich of the following laser types is used in a laser printer?
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Q696
Open questionThe chemical that is used to ripen mangoes is
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Q697
Open questionExposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as
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Q698
Open questionWhich of the following is used to remove ink and rust stains on cloth?
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Q699
Open questionKMnO4 can be used as a/an
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Q700
Open questionThe chemical name of 'laughing gas' is
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