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MODERN PUBLICATION-STATES OF MATTER : GASES AND LIQUIDS-COMPETITION FILE OBJECTIVE TYPE QUESTIONS (A. MULTIPLE CHOICE QUESTIONS)
- Gas that can not be collected over water is:
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- the pressure of a 1 : 4 mixture of dihydrogen and dioxygen enclosed in...
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- The temperature of a gas in a closed container is 27^(@)C. If the temp...
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- A gas at 10^(@)C occupies a volume of 283mL. If it is heated to 20^(@...
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- At constant temperature, the pressure of V mL of a dry gas was increas...
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- Equal masses of CH(4) and H(2) are mixed in an empty chamber. The part...
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- The density of a gas is 1.964 g dm^(-3) at 273 K and 76 cm Hg. The gas...
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- the interaction energy of London force is inversely proportional to si...
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- For a given mass of a gas at constant temperature, if the volume V bec...
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- An open vessel at 37^(@)C is heated until 3//5 of the air in it has be...
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- If air contains N(2) and O(2) in volume ratio 4 : 1, the average vapou...
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- The gases H(2),N(2) , O(2) and NH(3) will diffuse in the order :
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- In what ratio by mass, sulphur trioxide and nitrogen should be mixed s...
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- 20%N(2)O(4) molecules are dissociated in a sample of gas at 27^(@)C an...
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- According to Graham's law, at a given temperature, the ratio of the ra...
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- A person living in Shimla observed that cooking without using pressure...
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- On a humid day, the mole fraction of water vapour in air at 298 K is 0...
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- The pyknometric density of NaCl crystal is 2.165 xx 10^(3 kg m^(-3) wh...
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- The rate of diffusion of methane is twice that of X. The molecular mas...
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- Boyle's law may be expressed as
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