12 g of Mg was burnt in a closed vessel ...

12 g of Mg was burnt in a closed vessel containing 32 g oxygen , which of the following is/are correct.

A

2 gm of Mg will be lift unburnt.

B

0.75 gm-molecules of `O_(2)` will be left unreacted .

C

20 gm of MgO will be formed.

D

The mixture at the end will weight 44 g.

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The correct Answer is:

B, C, D

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