9th Standard CBSE Syllabus & Materials
9th Standard CBSE
CBSE 9th Science Is matter around us pure? - New Model Questions Papers Study Material - QB365 Set A
NEW9th Standard CBSE
CBSE 9th Science Matter in our surroundings - New Model Questions Papers Study Material - QB365 Set A
NEW9th Standard CBSE
CBSE 9th Mathematics Heron's Formula Sample Question Papers Study Material - QB365 Set A
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CBSE 9th Mathematics Circles Sample Question Papers Study Material - QB365 Set A
NEW9th Standard CBSE
CBSE 9th Mathematics Quadrilaterals Sample Question Papers Study Material - QB365 Set A
NEW9th Standard CBSE
CBSE 9th Mathematics Triangles Sample Question Papers Study Material - QB365 Set A
Published on: 23/08/2019
Matter in Our Surroundings
Download CBSE Class 9th Standard CBSE Science question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 9th Standard CBSE Science
Questions + Answers key
Take MCQ Science Test
1.
The energy possessed by a particle by virtue of its motion is called __________ energy.
2.
The mass per unit volume of a substance is called __________
3.
The intermixing of particles of two substances on their own is known as __________
4.
A material in gaseous state can fill any _________
5.
A material in liquid state can have any ___________
6.
Gases can be easily compressed because these have least intermolecular interactions_________
assertion is correct and reason is correct
assertion is correct and reason is wrong
assertion is wrong and reason is correct
assertion is wrong and reason is wrong.
7.
Which of the following processing does not convert a liquid into vapours?
Boiling
Heating
Evaporation
Condensation.
8.
Why is ice at 273 K more effective in cooling than water at the same temperature?
1.
( )
kinetic
2.
( )
density
3.
( )
diffusion
4.
( )
container/vessel/volume
5.
( )
shape
6.
(b)
assertion is correct and reason is wrong
7.
(d)
Condensation.
8.
Ice at 273 K has less energy than water (although both are at the same temperature). Water possesses the additional latent heat of fusion. Hence, at 273 K, ice is more effective in cooling than water.
9th Standard CBSE Syllabus & Materials
9th Standard CBSE
CBSE 9th Mathematics Lines and Angles Sample Question Papers Study Material - QB365 Set A
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CBSE 9th Mathematics Introduction to Euclid's Geometry Sample Question Papers Study Material - QB365 Set A
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CBSE 9th Standard CBSE Subjects
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