Reversible and Irreversible Changes
Raw egg is completely different in shape, color, taste, smell from
boiled egg
fried egg
both a and b
organic egg
both a and b
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If sugar is heated it undergoesA. reaction
B. evaporation
C. condensation
D. decomposition
Changes in matter takes place
A. in day
B. noon
C. night
D. all the time
Changes in matter can be observed upon
A. separating
B. filtering
C. mixing
D. heating
In case of chocolate the heating lead to changes which are
A. reversible
B. irreversible
C. same
D. constant
To fry or boil an egg we need
A. pan
B. heat
C. water
D. match stick
Oil and gas catch fire
A. easily
B. slowly
C. not at all
D. extinguisher
Salt can be separated from water in a salty solution by
A. heating
B. filtering
C. sieve
D. leaving at room temperature
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