Number of moles of required to oxidise one mole of ferrous oxalate completely in acidic medium will be

What volume of oxygen gas (O₂) measured at 0^o C and 1 atom is needed to burn completely 1 L of propane gas (C₃H₈) measured under the same conditions ?

Law of constant composition was verified experimentally by

Certain species of atoms of different elements having identical relative masses are called

The number of moles of KMnO₄ that will be needed to react with one mole of sulphite ion in acidic solution is

The total number of valence electrons in 4.2 g of ion is (N_A is the Avogadro's number)

Which law says when two or more gases react with one another, their volumes bear simple whole number ratio with one another and to the volume of products provided all volume are measured under identical conditions of temperature and pressure ?

The equation E= mc² is introduced by

The number of oxygen atoms in 4.4 g of CO₂ is

Which law states that, when two elements combine to form two or more compounds, then the different masses of one element, which combine with a fixed mass of the other element, bear a simple whole number ratio with one another ?