D. Long answer questions1. What is the difference between H, and H,0? – InterviewSolution

1.	D. Long answer questions1. What is the difference between H, and H,0?
Answer» H2 is Hydrogen, a gas. When it combines with oxygen(O2), it becomes H2O (water). H2 is An Element whereas H2O is a Compound. H2 exists in gaseous state because of its extremely low melting point easily and H2O exists in all three states easily.

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