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Which of the following is not an importa...

Which of the following is not an important constituent of cement ?

A

CaO

B

`Al_(2)O_(3)`

C

MgO

D

`Na_(2)O`

Text Solution

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The correct Answer is:
D
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  10. Solubilities of carbonates decrease down the magnesium group due to de...

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  11. The correct order of increasing ionic character is

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  12. Which of the following is not an important constituent of cement ?

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  13. Which of the following is radioactive alkali metal ?

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