These substances can be separated by distillation, so your answer is A.
Answer:
who lives in Barclays what?? this makes no sense
Explanation

Here we go ~
1 mole of
has 6.022 × 10²³ molecules of the given compound.
So, 0.78 mole of
will have ~


Answer:
burning of wood is an irreversible change bcoz wood after burning wood converted to ashes cannot be converted back to wood nd its chemical composition also changes
The answer will be b. membrane.