List of top Chemistry Questions on Laws of Chemical Combinations

Which law is illustrated by compounds H$_2$O and H$_2$O$_2$ formed from two different elements, H and O?
Which of the following pairs of compounds cannot demonstrate the law of multiple proportions?
"A given compound always contains the same proportion of elements" is a statement of
\(PCl_5\) is well known, but \(NCl_5\) is not. Because,
Find which of the following compound can have mass ratio of C:H:O as 6:1:24
Find which of the following compound can have mass ratio of C:H:O as 6:1:24
The formation of CO and CO\(_2\) illustrates the law of:
The product of atomic weight and specific heat of an element is a constant, approximately 6.4. This law is known as:
1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide. The equivalent weight of the metal is:
Calculate the number of atoms in each of the following:
  1. 52 moles of Ar
  2. 52 u of He
  3. 52 g of He.