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.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Reactions and Rate of Reaction. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Q341.
Consider the reaction: Al(s) + Oβ‚‚(g) β†’ Alβ‚‚O₃. Moles of oxygen (Oβ‚‚) needed to balance the equation will be

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
Q342.
Consider the reaction: S(s) + Oβ‚‚(g) β†’ SOβ‚‚. If oxidation is allowed to continue, the product formed is
Discuss
Answer: (b).SO₃(g)
Q343.
The color of copper carbonate is
Discuss
Answer: (a).Green
Q344.
When a small amount of salt is added to water, the boiling point of water
Discuss
Answer: (a).Increases
Q345.
The color of powdered manganese dioxide is
Discuss
Answer: (b).Black
Q346.
The tube dipping in water in wash bottle has an angle of
Discuss
Answer: (c).45 °C
Q347.
In oxidation reactions, the oxidation number of an atom
Discuss
Answer: (b).Increases
Q348.
The zone in the flame which is cold and consists of unburnt particle is
Discuss
Answer: (a).Dark inner zone
Q349.
For colorless liquids, the meniscus noted is
Discuss
Answer: (a).Lower
Q350.
The endpoint in titrating Iβ‚‚ with Naβ‚‚Sβ‚‚O₃ using starch indicator is
Discuss
Answer: (c).Blue to colorless