Laws of Chemical Combinations is an important topic in the Chemistry section in MHT CET exam. Practising this topic will increase your score overall and make your conceptual grip on MHT CET exam stronger.
This article gives you a full set of MHT CET PYQs for Laws of Chemical Combinations with explanations for effective preparation. Practice of MHT CET Chemistry PYQs including Laws of Chemical Combinations questions regularly will improve accuracy, speed, and confidence in the MHT CET 2026 exam.
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MHT CET PYQs for Laws of Chemical Combinations with Solutions
1.
The combining ratios of hydrogen and oxygen in water and hydrogen peroxide are $1 : 8$ and $1 : 16$ . Which law is illustrated in this example ?- Law of definite proportions
- Law of conservation of mass
- Gay Lussac?s law of combining volumes of gases
- Law of multiple proportions
2.
"A given compound always contains the same proportion of elements" is a statement of- Law of combining volumes of gases
- Law of conservation of mass
- Law of multiple of mass
- Law of definite proportions
3.
Which of the following pairs of compounds cannot demonstrate the law of multiple proportions?- NO, NO$_2$
- CO, CO$_2$
- H$_2$O, H$_2$O$_2$
- Na$_3$S, NaF
4.
Which law is illustrated by compounds H$_2$O and H$_2$O$_2$ formed from two different elements, H and O?- Law of Constant proportion
- Law of Conservation of mass
- Law of Multiple proportion
- Avogadro's law
5.
The volume of $1$ mole of any pure gas at standard temperature and pressure is always equal to- $ 0.022414 \,m^{3}$
- $ 22.414 \,m^{3}$
- $ 2.2414 \,m^{3}$
- $ 0.22414 \,m^{3}$
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