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5/27 MCQs for:
MATTER: PROPERTIES AND TRANSFORMATION: Reversible Reactions

Thermal decomposition reactions are:

The breaking up or splitting of a compound by heat into simpler substances which do not recombine on cooling to give the original substance is known as:

In the forward direction of a reversible reaction, __ while in the backward direction__.

A __ is a chemical reaction which can proceed in both the forward and the backward directions depending on the conditions of the reaction. 

Consider the following systems in equilibrium:
N2 O4 (g) (1 mole) ⇌ 2NO2 (g) (2 moles) -------------------------------- (2)
For system (2):