Question

Do
you
know
which
of
the
following
sentences
is
incorrect

a)
Cutting
of
log
of
wood
into
pieces
is
a
physical change

b)
Limewater
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:

option. A is incorrect..

Explanation:

because.. there is no change.

Answer 2

Answer:

A)False

B)True

C)False

D)True

Explanation:

A) It is a chemical change

C)Bubbles are produced not hydrogen gas

Mark me as BRAINLIEST