a piece of zinc metal is dropped in dilute solution of hydrochloric acid. (a) which gas is liberated when a metal reacts with acid? (b) how will u test the presence of this gas? (c) is it lighter or heavier than air? (d) how will u collect the above gas?
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Answered by
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a) Hydrogen
b) We would bring a burning candle near the mouth of the test tube and will hear for a popping sound(only hydrogen gas burns with a 'pop' sound.
c)It is lighter than air.
d) We would collect this as with the use of glass delivery tube.
b) We would bring a burning candle near the mouth of the test tube and will hear for a popping sound(only hydrogen gas burns with a 'pop' sound.
c)It is lighter than air.
d) We would collect this as with the use of glass delivery tube.
Answered by
2
Answer:
a. hydrogen b .by bring the candle light near the mouth of the test tube we will hear the pop sound it's due to only hydrogen gas produce pop sound when the fire came near c. it is lighter than air
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