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The weight of calcium oxide formed by bu...

The weight of calcium oxide formed by burning 20 g of calcium in excess oxygen is-

A

36g

B

56g

C

28g

D

72g

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D

CaO formed `=(1)/(2)` moles
`w=(1)/(2)xx56=28gm`
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Knowledge Check

  • The mass of magnesium oxide formed by burning 1.216 g magnesium in excess oxygen is

    A
    0.416 g
    B
    1.616 g
    C
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    D
    2.816 g
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    B
    `Na_(2)O_(2)`
    C
    `NaO(2)`
    D
    NaO.
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