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A metal oxide has the formula Z(2)O(3) ....

A metal oxide has the formula `Z_(2)O_(3)` . It can be reduced by hydrogen to give free metal and water . 0.1596 g of the metal oxide requires 6 mg of hydrogen for complete reduction . The atomic weight of the metal is

A

27.9

B

159.6

C

79.8

D

55.8

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The correct Answer is:
D
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A metal oxide has the formula A_(2)O_(3) . It can be reduced by hydrogen to give free metal and water. 0.1596 g of this metal oxide requires 6 mg of hydrogen for complete reduction. What is the atomic wight of metal?

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A metal oxide has the formula Z_(2)O_(3) . It can be reduced by hydrogen to give free metal and water. 0.1596 g of the metal requires 6 mg of hydrogen for complete reduction. The atomic mass of the metal is:

Knowledge Check

  • A metal oxide has the formula A_(2)O_(3) . It can be reduced by hydrogen to give free metal and water. 0.1596 g of this metal oxide requires 6 mg of hydrogen for complete reduction. What is the atomic wight of metal?

    A
    52.3
    B
    57.3
    C
    55.8
    D
    59.3

  • A metal oxide has the formular M_(2)O_(3) . It can be reduced by hydrogen to give free metal and water 0.1596g of the metal oxide required 6 mg hydrogen for complete reduction. The atomic weight of the metal is:

    A
    27.9
    B
    159.6
    C
    0.486gm
    D
    55.80gm

  • A metal oxide has the formul Z_(2)O_(3) . It can be reduced by hydrogen to give free metal and water. 0.2 g of the metal oxide requires 12 mg of hydrogen for complete reduction. The atomic weight of the metal is

    A
    52
    B
    104
    C
    26
    D
    78
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