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Matter In Our Surroundings Mock Tests

25 questions available

Matter In Our Surroundings Mock Test 1

Questions: 25

Sample Questions

Class 9 Science
Which of the following is a characteristic of slime moulds?
A They are prokaryotic
B They can act as decomposers
C They are autotrophic
D They only reproduce sexually
Class 9 Science
What is the process of separating cream from milk called?
A Evaporation
B Centrifugation
C Distillation
D Chromatography
Class 9 Science
Which of the following processes is used to separate immiscible liquids like oil and water?
A Evaporation
B Distillation
C Separating funnel
D Centrifugation
Class 9 Science
Why does a gas cylinder sometimes leak when kept in direct sunlight for long?
A Gas expands due to increase in pressure and temperature
B Chemical reaction of gas with cylinder material
C Metal of cylinder expands and cracks
D Gas molecules are destroyed by UV rays
Class 9 Science
Which of the following is a pure substance?
A Wood
B Ice
C Brick
D Petrol
Class 9 Science
Which of the following is a pure substance?
A Air
B Wood
C Iron nail
D Petroleum
Class 9 Science
Which of the following is a colloid?
A Salt solution
B Milk
C Sugar solution
D Clean air
Class 9 Science
A solution of NaCl in water is:
A Heterogeneous mixture
B Homogeneous mixture
C Colloid
D Suspension

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