Q341
Open questionThe lightest gas which is non-inflammable is
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Q342
Open questionPreparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process :
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Q343
Open questionWhich among the following is pure matter ?
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Q344
Open questionThe National Chemical Laboratory (India) is located in
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Q345
Open questionWho is known as the 'father of modern chemistry'?
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Q346
Open questionSpirit in contact with body gives cool sensation because it is :
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Q347
Open questionWhich one is a sublime substance?
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Q348
Open questionThe biogas used for cooking is a mixture of which of the following?
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Q349
Open questionThe major constituent of gobar gas is
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Q350
Open question________ is a by product of sewage treatment and can be decomposed to produce biogas
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Q351
Open questionWhich of the following is a renewable source of energy ?
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Q352
Open questionGobar gas contains mainly :
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Q353
Open questionGobar gas mainly contains
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Q354
Open questionThe main constituent of biogas is
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Q355
Open questionAn example of replenishable energy source is–
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Q356
Open questionFor generation of biogas, the materials commonly used are
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Q357
Open questionThe main constituent of natural gas is
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Q358
Open questionWhich of the following is biodegradable ?
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Q359
Open questionWhich of the following is a commercial source of energy?
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Q360
Open questionWhich of the following is not a commercial source of energy?
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