Question

which of the following sentences are correct:
a) Cutting
of
log
of
wood
into
pieces
is
a


b)
Lime water
turns
milky
on
passing
CO2
through
it.

c)
Hydrogen
gas
is
produced
when
acetic
acid
is
added
to
a
solution
of
a
sodium

hydrogen carbonate.

d)
Explosion
of
a
firework
is
a chemical
change.​

Answer 1

Answer:

b option is the correct answer

Answer 2

Answer:

1 false

2 true

3 true

4 true

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