9th Class Chemistry Chapter 8 MCQs with Answers

AdminApril 2, 2024

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Welcome to the 9th Class Chemistry Chapter 8 MCQs Practice and Quiz Tests. We are presenting you with top MCQ questions from the 9th Class Chemistry Chapter 8 Chemical Reactivity.

You can find all the 9th Class Chemistry Chapter 8 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your Matriculation Exams. We are making these Class 9 Chemistry MCQs online tests for those who want full marks in their exams.

9th Class Multiple Choice Question Chapter 8 with Answers Free PDF

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Grade 9 Chemistry Chapter 8 Online Quiz

By presenting 3 options to choose from, 9th Class Chapter 8 Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of 9th Class Questions and Answers and click over the correct answer.

Test Name: 9th Class Chemistry Chapter 8 Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure high marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply comment below this post, so that we can update the answer in the quiz section.

9th Class Chemistry Ch 8: Chemical Reactivity

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1 / 40

What is the term for a substance that speeds up a chemical reaction by providing an alternative pathway with lower activation energy?

Reactant

Inhibitor

Catalyst

2 / 40

Which type of reaction involves the exchange of ions between two compounds?

Neutralization

Single displacement

Double displacement

3 / 40

Which type of reaction involves the transfer of electrons between reactants?

Acid-base

Redox

Precipitation

4 / 40

What is the term for a reaction in which electrons are transferred between reactants?

Precipitation

Acid-base

Redox

5 / 40

What type of reaction occurs when a metal displaces another metal in a compound?

Double displacement

Single displacement

Combination

6 / 40

What is the term for the number of particles in one mole of a substance?

Molar mass

Avogadro's number

Stoichiometry

7 / 40

What is the term for a chemical reaction that involves the exchange of ions between two compounds?

Single displacement

Double displacement

Neutralization

8 / 40

What is the term for a chemical reaction that releases energy in the form of heat or light?

Spontaneous

Endothermic

Exothermic

9 / 40

What is the term for the reactant in excess in a chemical reaction?

Excess reactant

Limiting reactant

Catalyst

10 / 40

What is the term for a chemical reaction that absorbs energy from its surroundings?

Endothermic

Exothermic

Spontaneous

11 / 40

What is the term for a substance that speeds up a chemical reaction by lowering the activation energy?

Catalyst

Inhibitor

Reactant

12 / 40

What type of reaction occurs when a metal reacts with an acid to produce hydrogen gas and a salt?

Acid-base

Single displacement

Combustion

13 / 40

What type of reaction occurs when a metal oxide reacts with an acid to produce a salt and water?

Acid-base

Neutralization

Decomposition

14 / 40

What is the term for the gain of electrons by a substance during a chemical reaction?

Reduction

Oxidation

Combustion

15 / 40

What is the term for a substance that speeds up the rate of a chemical reaction without being consumed?

Reactant

Inhibitor

Catalyst

16 / 40

What is the term for the minimum amount of energy required to start a chemical reaction?

Activation energy

Entropy

Enthalpy

17 / 40

What is the term for the reactant that is completely consumed in a chemical reaction?

Excess reactant

Limiting reactant

Catalyst

18 / 40

Which type of reaction involves the reaction between an acid and a base to produce water and a salt?

Decomposition

Neutralization

Redox

19 / 40

What type of reaction involves the reaction between an acid and a base to produce water and a salt?

Neutralization

Redox

Decomposition

20 / 40

What type of reaction occurs when two substances combine to form a single product?

Combination

Decomposition

Substitution

21 / 40

What is the term for a substance that causes another substance to undergo reduction?

Reducing agent

Oxidizing agent

Catalyst

22 / 40

What type of reaction occurs when a metal reacts with an acid to produce hydrogen gas and a salt?

Acid-base

Single displacement

Combustion

23 / 40

What is the term for the process of breaking down a molecule into smaller molecules or atoms?

Decomposition

Displacement

Combustion

24 / 40

What type of reaction occurs when an acid reacts with a metal to produce hydrogen gas and a salt?

Acid-base

Combustion

Single displacement

25 / 40

What is the process called when a compound reacts with oxygen to produce heat and light?

Precipitation

Combustion

Neutralization

26 / 40

What is the process called when an atom or ion loses electrons?

Reduction

Oxidation

Combustion

27 / 40

What is the term for a substance that speeds up a chemical reaction without being consumed in the process?

Product

Catalyst

Reactant

28 / 40

What is the term for a substance that slows down the rate of a chemical reaction?

Catalyst

Product

Inhibitor

29 / 40

What is the term for a reaction in which electrons are transferred between reactants?

Acid-base

Redox

Precipitation

30 / 40

What is the term for a substance that causes another substance to undergo oxidation?

Catalyst

Reducing agent

Oxidizing agent

31 / 40

Which type of reaction involves the breakdown of a single compound into two or more substances?

Combination

Single displacement

Decomposition

32 / 40

Which type of reaction involves the exchange of ions between two compounds?

Single displacement

Neutralization

Double displacement

33 / 40

What is the term for the rearrangement of atoms or ions to form new substances?

Chemical reaction

Chemical equation

Chemical change

34 / 40

What is the process called when an atom or ion gains electrons?

Oxidation

Reduction

Combustion

35 / 40

What is the term for a substance that undergoes a chemical reaction?

Catalyst

Reactant

Product

36 / 40

What type of reaction occurs when a non-metal displaces another non-metal in a compound?

Double displacement

Single displacement

No reaction

37 / 40

Which type of reaction involves the gain of oxygen or the loss of hydrogen by a substance?

Oxidation

Reduction

Combustion

38 / 40

What is the term for a substance formed by a chemical reaction?

Product

Reactant

Catalyst

39 / 40

Which factor does not affect the rate of a chemical reaction?

Concentration

Temperature

Catalyst

40 / 40

Which factor does not affect the rate of a chemical reaction?

Temperature

Catalyst

Concentration

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AdminApril 2, 2024

0 17 1 minute read