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Question
M is an element in the form of a powder. M burns in oxygen and the product obtained is soluble in water. The solution is tested with litmus. Write down only the word which will correctly complete the following sentence.
If M is a reactive metal, then ______ will be evolved when M reacts with dilute sulphuric acid.
Solution
If M is a reactive metal, then hydrogen gas will be evolved when M reacts with dilute sulphuric acid.
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