How many MCQ questions are available for Is Matter Around Us Pure?

There are 84 MCQ questions available for Is Matter Around Us Pure (Class 9 Science) — 30 easy, 26 medium, and 28 hard.

Is Matter Around Us Pure

Q: What topics are covered in Is Matter Around Us Pure?

Key concepts covered: Alloys, Colloidal Solutions, Compounds, Concentration of a Solution, Dispersed Phase and Dispersion Medium, Elements, Homogeneous and Heterogeneous Mixtures, Metals and Non-metals, Physical and Chemical Changes, Pure Substances and Mixtures, Saturated and Unsaturated Solutions, Separation Techniques, Solutions, Suspensions, Tyndall Effect.

Class 9 · Science

84 questions30 easy26 medium28 hard

Sample Questions

Q1.Who first used the term 'element' in 1661?

ALavoisier
BRobert Boyle
CDalton
DMendeleev

Q2.Brass is an alloy of:

AIron and carbon
BCopper and zinc
CGold and silver
DTin and lead

Q3.The solute-like component in a colloidal solution is called:

ADispersion medium
BDispersed phase
CSolvent
DResidue

Q4.Which of the following is a compound?

AAir
BBlood
CCarbon dioxide
DSoil

Q5.Which of the following is classified as an element?

ASugar solution
BCalcium carbonate
CSodium
DSoap

Q6.This is a sample question to preview what you'll get in the full practice test...

A. Option one
B. Option two
C. Option three
D. Option four

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Concepts Covered

AlloysColloidal SolutionsCompoundsConcentration of a SolutionDispersed Phase and Dispersion MediumElementsHomogeneous and Heterogeneous MixturesMetals and Non-metalsPhysical and Chemical ChangesPure Substances and MixturesSaturated and Unsaturated SolutionsSeparation TechniquesSolutionsSuspensionsTyndall Effect

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