Question

19. Do you know which of the following sentences is in-correct.
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 as
hydrogen carbonate.
&​

Answer 1

Answer:

at 25°C. Na+ -Cl distance is 2.82 A. Calculate the average energy requi

Answer 2

Answer:

b option is correct

Explanation: