Reactions and Rate of Reaction MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Reactions and Rate of Reaction, a fundamental topic in the field of Chemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Reactions and Rate of Reaction MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Reactions and Rate of Reaction mcq questions that explore various aspects of Reactions and Rate of Reaction problems. Each MCQ is crafted to challenge your understanding of Reactions and Rate of Reaction principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Chemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Reactions and Rate of Reaction MCQs are your pathway to success in mastering this essential Chemistry topic.

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Reactions and Rate of Reaction MCQs | Page 13 of 35

Q121.
The shell of Nautilus is composed in sea when there is higher concentration of
Discuss
Answer: (c).oxide (O⁻²) ion
Q122.
Law relating to concentrations of substances present at equilibrium and to the stoichiometric equation is known as
Discuss
Answer: (a).Law of mass action
Q123.
In our blood, hemoglobin is bound to oxygen in an
Discuss
Answer: (c).equilibrium reactions
Q124.
The simple relationship between equilibrium concentrations of reactants and products with stoichiometry is called as
Discuss
Answer: (a).equilibrium expression
Q125.
First calculations on equilibrium were carried out by
Discuss
Answer: (d).Cato Guldberg and Peter Waage
Q126.
On increasing concentration of one or more reactants, more products will be generated until
Discuss
Answer: (a).equilibrium
Q127.
The position of equilibrium explains the amounts of
Discuss
Answer: (d).products and reactants
Q128.
If the equilibrium is disturbed by changing temperature, the concentration of products will
Discuss
Answer: (a).increase
Q129.
The rate of a chemical reaction is increased by a substance called
Discuss
Answer: (b).catalyst
Q130.
If the concentration of products is decreased the equilibrium is shifted from
Discuss
Answer: (c).to the left