Following was written in by a student:
Hi, I have a Chemistry question..
A metallic element, M, has the following properties:
- less dense than water
- soft
- melts below 100C
- occurs naturally as its chloride, formula MCl
- the oxide of M reacts with water to form a solube hydroxide
Suggest how metal M can be extracted from its compounds. Explain your reasoning.
Also, how do I distinguish between hydrogen gas and nitrogen gas?
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