A piece of zinc metal is dropped in dilute solution of hydrochloric acid:
a) Which gas is liberated when metal reacts with acid.
b) How will you test the presence on this gas.
c) Is it lighter or heavier than air.?
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Answers
Answered by
3
a) Hydrogen gas
b) You can test for hydrogen gas by putting a burning splinter near the gas. The splinter will gives out a 'pop' sound
c) It is lighter than air
Answered by
2
Answer:
- hydrogen gas will evolved..
- when we bring a matchstick towards it ,it burns with pop sound...
- yes ,it is lighter than air.(not sure).
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