MCQ Questions for CBSE Class 9 Chemistry Quiz with Answers
Students can practice the MCQ Questions for Class 9 Chemistry to test their conceptual knowledge and improve in weak areas accordingly. CBSE Class 9th Chemistry Mock Test over here will improve your overall skills in the subject.
Multiple Choice Questions for Class 9th Chemistry Quiz with Answers
Practice using the Chemistry Grade 9 MCQ Questions Quiz by simply clicking on the conceptwise links mentioned below.
- Atoms And Molecules Class 9 Chemistry MCQ Questions
- Is Matter Around Us Pure Class 9 Chemistry MCQ Questions
- Matter In Our Surroundings Class 9 Chemistry MCQ Questions
- Structure Of The Atom Class 9 Chemistry MCQ Questions
Atoms And Molecules Class 9 Chemistry MCQ Quiz
Atoms And Molecules Questions and Answers
| Atoms And Molecules Quiz Question | Answer |
|---|---|
| Who called the indivisible particles as atoms? | Democritus |
| ________ is the latin name for sodium. | Natrium |
| When did Maharishi Kanad give the idea of parmanu ? | $$ 500 BC $$ |
| What is atomic mass of $$He$$ in amu $$(u)$$ units? | $$4$$ |
| The cation in $$CaCl_2$$ is: |
$$Ca^{2+}$$ |
| The term mole is a latin word which means: | heap or pile |
| Avogadro number is equal to: | $$6.023\times10^{23}$$ |
| One mole is defined as: | quantity having a mass equal to its atomic/molecular mass. |
| Which of the following property of an element never changes? |
Atomic weight |
| Cation and anion present (if any) in NaCl is : |
Anion: $$Cl^{-}$$ Cation: $$Na^+$$ |
Is Matter Around Us Pure Class 9 Chemistry MCQ Quiz
Is Matter Around Us Pure Questions and Answers
| Is Matter Around Us Pure Quiz Question | Answer |
|---|---|
| In brass, | copper acts as solvent and zinc acts as solute. |
Which technique is used to separate the components of liquid air? |
Fractional distillation |
Why do we use fractional distillation instead of simple distillation for separating the components of air? |
Because the difference in boiling point of components are less than $$20\ K$$ |
| Distillation involves : |
the conversion of a liquid into its vapors upon heating and then cooling the vapor back into liquid. |
Which of the following statement is incorrect about compound? |
A compound is combined chemically in variable proportion |
| Two liquids having different boiling points can be separated by : |
distillation |
| Liquids which do not dissolve in each other are called: |
immiscible liquids |
| Pure substances consists of : |
one type of particles |
| Which property of colloids is not dependent on the charge on colloidal particles? | Tyndall effect |
Syrup is an example of : |
a mixture |
Matter In Our Surroundings Class 9 Chemistry MCQ Quiz
Matter In Our Surroundings Questions and Answers
| Matter In Our Surroundings Quiz Question | Answer |
|---|---|
| All kinds of matter | occupy space and have definite mass |
| Why does applying spirit give us a cool sensation? | Spirit evaporates quickly. |
| The rate of evaporation increases as ____________. | the exposed surface area of the liquid increases |
| The term used for five basic elements was ___________. | panchtatva |
| The process by which wet clothes dry up is called _____________. | evaporation |
| What happens to the particle of matter when pressure is applied? | They come closer |
| The rate of evaporation depends on __________. | all of the above |
| Water on increasing pressure and decreasing temperature converts into _______________. | ice |
| Water, when left uncovered, gets converted into vapour without any external heat due to: | evaporation |
| The rate of evaporation is affected by: (i) Wind (ii) Temperature (iii) Area of exposed surface (iv) Humidity |
i, ii, iii, iv |
Structure Of The Atom Class 9 Chemistry MCQ Quiz
Structure Of The Atom Questions and Answers
| Structure Of The Atom Quiz Question | Answer |
|---|---|
| Radius of the nucleus is measured in |
fermi |
| The presence of nucleus in an atom is determined by Rutherford $$\alpha - ray$$ scattering experiment. |
True |
| Heaviest particle is | Neutron |
| The discovery of neutron becomes very late because | neutron are chargeless. |
| Maximum no. of electrons that can be present in M & N shells respectively are ________. | $$18, 32$$ |
| Which of the following has the same number of protons? | Isotopes |
| Assertion: Atoms are not electrically neutral. Reason: Number of protons and electrons are different. |
Both assertion and reason statements are wrong. |
| The components used in Rutherford's experiment: |
helium nuclei, which impinged on a metal foil and got scattered |
| Which of the following scientists developed the nuclear model of the atom ? | Ernest Rutherford |
| The nucleus of an atom was discovered by |
Rutherford's gold foil experiment |
CBSE Class 9th Chemistry Sample Paper MCQ Questions with Answers
Free CBSE 9th Standard Chemistry Exam Mock Test will be of great help with all the concepts and subtopics in the subject. Identify your strengths and weaknesses by attempting the Chemistry Grade 9 Practice Questions and improve your scores in final exams. Get to know the Pattern of Questions that is being asked by solving the CBSE Class 9th Chemistry MCQ Quiz and build a stronger understanding of the subject.
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conclusion
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