MCQs: If there is lack of nitrogen in soil, plants turn
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MCQs: In liquids the intermolecular force of attraction is equal to
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MCQs: The regular arrangement of particles is found in
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MCQs: Hydrogen is obtained by
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MCQs: When the state of matter is changed from liquid to gas, we call it
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MCQs: By heating the color of mixture of sulphur and iron which is yellow turns to
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MCQs: When gas is cooled down, it changes its state into liquid. This is called
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MCQs: Polythene was discovered in
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MCQs: The odour of ammonia is
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MCQs: Long chain of atom is linked by
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MCQs: The plastic industry began in
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MCQs: Two indefinite characteristics of gases are
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MCQs: For combustion, the required gas is
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MCQs: Mixing of iron and sulphur together brings
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MCQs: Ammonia is made by mixing two gases. These gases are
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MCQs: Ethene' is
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MCQs: Most of the fuels such as petroleum has
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MCQs: Molecules in high density polythene are
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MCQs: Generally methane gas is known as
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MCQs: Gases are
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