Question

28. The following diagram shows the reaction of zinc granules with dilute sulphuric acid and
testing hydrogen gas by burning.
Delivery
Burning of
Stand
tube
hydrogen gos
sound
С c
Candle
-Hydrogen
Dilute
gas
sulphuric
bubbles
Soap bubble
acid
filled with
Zinc
hydrogen
granules
Soop
solution
L
What would happen if following changes are made?
니
(A) In place of zinc granules, a big piece of zinc is taken.
C
(B) In place of zinc granules, copper pieces are taken.
C
Instead of dilute sulphuric acid, nitric acid is taken.

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Answer 1

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