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Chemistry Test 165
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Chemistry Test 165
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  • Question 1/10
    4 / -1

    The metal ‘X’ is prepared by the electrolysis of fused chloride. It reacts with hydrogen to form a colourless solid from which hydrogen is released on treatment with water. The metal is

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  • Question 2/10
    4 / -1

    Total number of all isomeric ethers having molecular formula  is

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  • Question 3/10
    4 / -1

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    is the most stable species in the given set of ions because it does not contain any electron withdrawing group.

    In the remaining ions electron withdrawing is present which decreases the stability of ions.

     

  • Question 4/10
    4 / -1

    The product formed on reaction of 1-chlorobutane with alcoholic potash is

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  • Question 5/10
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    The IUPAC name of the compound  is

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  • Question 6/10
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    The ratio of velocities of diffusion of gases A and B is 1 : 5. If the ratio of their masses present in the mixture is 3 : 2 , the ratio of their mole fraction is

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  • Question 7/10
    4 / -1

    A solution that is 20% ethanol by volume is found to have a density of 0.977 g/mL. Density of ethanol is 0.789 g/mL. Thus, mass per cent of ethanol solution is

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  • Question 8/10
    4 / -1

    4.8 g of a gas at 25° C occupied the same volume as 0.152 g of hydrogen at 17° C and at the same pressure. The molecular mass of the gas is

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  • Question 9/10
    4 / -1

    The formula of an oxide of titanium that crystallises as a closely packed array of oxygen atoms with titanium atoms in two third of the octahedral voids is

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  • Question 10/10
    4 / -1

    Two bulbs A and B (containing an ideal gas) having volume 5 L and 10 L and pressure of 9 atm and 6 atm respectively are connected. If the temperature remains constant, then the final pressure in the two bulbs will be

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