WorksheetsMATTER GRADE 8
Total questions: 10
Worksheet time: 5mins
The quantity of matter present in an object is called its:
Weight
Gram
Mass
Density
At higher altitudes:
Boiling point of a liquid decreases
Boiling point of a liquid increases
No change in boiling point
melting point of solid increases
In which phenomena water changes into water vapour below its boiling point?
Evaporation
Condensation
Boiling
No such phenomena exist
The boiling point of water on Celsius scale and kelvin scale respectively is :
373,273
0,273
273,373
100,373
when we put some crystals of potassium Permanganate in a beaker containing water, we observe that after sometime whole water has turned pink. This is due to:
Boiling
Melting of potassium Permanganate crystals
sublimation of crystals
Diffusion
The change of a liquid into vapour is called :
Vapourisation
Solidification
Sublimation
None of these
The state of matter which has least diffusion capacity
Gas
solid
liquid
plasma
The state of matter which has maximum kinetic energy
Gas
Liquid
solid
vacumm
the force of attraction between different molecules is called as
cohesive force
Electrostatic force
Adhesive force
None of these
When heat energy is supplied,the kinetic energy of the molecules
Decreases
increases
First increases and then decreases
Remains same
