Identify the law for which the following statement is true.
"Equal volume of all gases at same temperature and pressure should contain equal number of molecules".

Choose the incorrect statement about Dalton's Atomic Theory.

Which of the following pairs of substances illustrate the law of multiple proportions?

Which of the following pairs of compounds cannot demonstrate the law of multiple proportions?

From the given information, select the suitable law of chemical combination:

Cupric Carbonate	% of $Cu$	% of $C$	% of $O$
Natural sample	$51.35$	$9.74$	$38.91$
Synthetic sample	$51.35$	$9.74$	$38.91$

When two elements combine to form more than one compound,the masses of one element that combine with a fixed mass of the other element are in a simple whole number ratio.
$(a)$ Is the statement given above correct?
$(b)$ If 'yes',which law does it follow?
$(c)$ Give an example corresponding to this law.