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Some Basic Conc...

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  • Question 1
    4 / -1

    Vapour density of a metal chloride is 66. Its oxide contains 53% metal. The atomic weight of the metal is

  • Question 2
    4 / -1

    One gram of hydrogen is found to combine with 80 g of bromine. One gram of calcium (valency = 2) combines with 4 g of bromine. The equivalent weight of calcium is

  • Question 3
    4 / -1

    What is the normality of 1 M solution of H3PO4?

  • Question 4
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    Number of molecules in 100 ml of each of O2, NH3and CO2at STP are

  • Question 5
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    Two samples of lead oxide were separately reduced to metallic lead by heating in a current of hydrogen. The weight of lead from one oxide was half the weight of lead obtained from the other oxide. The data illustrates

  • Question 6
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    1.520 g of the hydroxide of a metal on ignition gave 0.995 g of oxide. The equivalent weight of metal is

  • Question 7
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    In known elements, the maximum number is of

  • Question 8
    4 / -1

    Which of the following weighs the least?

  • Question 9
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    Crystals of which pair are isomorphous ?

  • Question 10
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    3.92 g/l of a sample of ferrous ammonium sulphate reacts completely with 50 ml. N/10 KMnO4 solution. The percentage purity of the sample is:

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