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Match the following.
List-I List-II (Use)
A) Cu – Be alloy I) Windows of X-ray tubes
B) MgCO₃ II) Air craft construction
C) Ba III) High tensile springs
D) Mg – Al alloys IV) Ingredient of tooth paste
E) Be V) Removal of air from vacuum tubes
A B C D E
1) III IV v II I
2) V IV II III I
3) II I IV V III
4) IV III I V II

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answer is A.

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Detailed Solution

Cu – Be alloy - High tensile springs

MgCO₃ - Ingredient of tooth paste

Ba - Removal of air from vacuum tubes

Mg – Al alloys - Air craft construction

Be - Windows of X-ray tubes

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