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18 questions
Which among the following is synthetic materials?
wood
water
clothes
air
Which among the following materials floats?
plastic spoon
rubber cork
steel cup
stone
Solids have _____ shape.
The particles of gases are free to move.
True
False
______ is the property of mixing of particles on their own.
When temperature increases, the solubility of a gas in liquid _______
increases
decreases
remains unchanged
Sugar, salt and honney are ______ in water.
soluble
insoluble
______ is something which has mass & occupies space.
In this state of matter, particles are tightly packed and cannot move.
gas
solid
liquid
The property by which a substance dissolves in another substance is called ______.
dissolution
solution
solubitity
In saturated solution, more amount of substance can dissolve at a given temperature.
True
False
In which of the following diffusion is faster?
solid in liquid
liquid in liquid
gas in gas
none of the above
A glass is a ______________ material.
transparent
opaque
translucent
none of the above
Gases dissolve in water.
True
False
When temperature increases solubility of a solid substance in a liquid___________
decreases
remains unchanged
increases
Materials which occur naturally are known as___________
Opaque Materials
Natural Materials
Grouping of materials having similar property is called___________{First letter should be of caps other should be small}
Name the property which allows light to pass through a material.
Opaqueness
Transparency
Solubility
Diffusion
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