Q15. Rama took a burning jet and introduced into a gas jar of hydrogen. He collected
residue obtained in a test-tube. His teacher asked not to drop a Na pallete into it.
- What residue was obtained?
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Answer:
Answer is H2O
Gas is O2 and when taken to H2 it forms H2O
When Sodium is put in water it forms NaOH and energy released is very high
2 Na + 2 H2O = 2 NaOH + H2
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