Question

MCQ
Q1) The hissing sound that is heard when water is poured over quicklime is due to the evolution of:
a) H2 gas b)O2 gas c)CO2 gas d)steam
Q2) when Zn granules are added to concentrated H2SO4 which of the following reactions does not take place:
a)Zn gets oxidized b)S gets reduced c)H2 is evolved d) H2O is formed

Answer 1

Answer:

1:c

2:d

Explanation:

Answer 2

Answer:

Q1) d) Steam.

Q2) d) H₂O is formed.

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