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FE Civil Engineering Exam Prep

Category - Civil Engineering

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Which of the following metals reacts explosively when placed in water?

Manganese
Silver
Zinc
Sodium
Chromium

Explanation

Answer: Sodium

Solve this question with your knowledge of the periodic table. The most reactive family of metals is the alkali metals. In the context of the question, only one metal is part of this family, sodium. Thus, sodium will react explosively when placed in water.

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