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The correct statements are
A) Ca and Ba are used to remove air from vacuum tubes
B) MgOH₂ acts as an antacid
C) Mg-A l alloy (magnalium) is used in aircraft construction
D) Mg is used for making windows of X-ray tubes
The correct answer is

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A, B, C

A, B, D

B, D

A, D

answer is A.

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Detailed Solution

Be is used for making windows of X-ray tubes due to its transparent nature.

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