STUDY QUESTIONS
1. Define matter. State three characteristics of matter.
Can light be classified as matter ? Give one
reason
2. Bring out clearly the difference between following
by giving examples :
(a) Material and substance (b) homogeneous material and heterogeneous material
3. define the term given below and answer the question associated to each term
(a) solid :why do solid not diffuse in one another
(b) liquid: why do liquids flow
(c) why are gases highly compressible
4. name the change of state during the following changes
(a) formation of clouds
(b) drying of wet clothes
(c) naphthalene balls become smaller when kept in air
(d) formation of snow
(e) melting of wax when kept in sunshine
Answers
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Answer:
4) a) liquid to gaseous state
b) liquid to gaseous state
c) solids to gaseous state
d) liquid to solid state
e) solid to liquid state
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