Is Matter Around Us Pure
Class 9 · Science
84 questions30 easy26 medium28 hard
Sample Questions
Q1.In a mixture, the constituents can be separated by:
- AOnly chemical reactions
- BOnly electrochemical reactions
- CPhysical methods
- DOnly nuclear reactions
Q2.Who first used the term 'element' in 1661?
- ALavoisier
- BRobert Boyle
- CDalton
- DMendeleev
Q3.A solution is a:
- AHeterogeneous mixture
- BHomogeneous mixture of two or more substances
- CPure element
- DSuspension
Q4.Colloidal particles can be separated from a mixture by:
- ASimple filtration
- BEvaporation
- CCentrifugation
- DMagnetism
Q5.A mixture that contains physically distinct parts and has non-uniform composition is called:
- AHomogeneous mixture
- BSolution
- CHeterogeneous mixture
- DCompound
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
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
Ready to practice?
Create a timed test from 84 questions in Is Matter Around Us Pure. Pick your difficulty, get instant scores.
Start Practice Test