Q601
Open questionWhat is the mass percentage of oxygen in carbon dioxide (CO2)?
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Q602
Open questionNumber of 6.023 × 1023 atoms present in one mole of a gas at STP is
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Q603
Open questionThe percentage of nitrogen present in ammonium sulphate is :
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Q604
Open questionThe value of Avogadro Number is
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Q605
Open questionAqua regia is a 1 : 3 mixture, by volume, of
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Q606
Open questionGold dissolves in
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Q607
Open questionNitric acid does not react with
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Q608
Open questionNitrogen in water is commonly found in the form of
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Q609
Open questionAquaregia is a mixture of the following in the ratio 1 : 3 by volume
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Q610
Open questionOne of the following is used to dissolve noble metals. That is
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Q611
Open questionCommercial nitric acid is coloured because it contains dissolved :
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Q612
Open questionChoose the incorrect statement pertaining to organic compounds
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Q613
Open questionThe gas which emits from rice field is
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Q614
Open questionEthylene is a ________ molecule.
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Q615
Open questionThe next higher homologue of C6H14 is
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Q616
Open questionThe gas used for artificial fruit ripening of green fruit is –
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Q617
Open questionThe natural source of hydrocarbon is
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Q618
Open questionBy which organic compound all the oils are known ?
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Q619
Open questionWhich of the following elements is found in all organic compounds?
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Q620
Open questionEthanol containing 5% water is known as :
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