Q1.
Anything that occupies space and has mass is called_______ .
ⓐ mass
ⓑ weight
ⓒ
matter
ⓓ
none of these
Q2.
The process in which liquid changes into solid is called_________.
ⓐ condensation
ⓑ
melting
ⓒ freezing
ⓓ boiling
Q3.
The change of milk into yogurt is __________ change.
ⓐ physical
ⓑ chemical
ⓒ electrical
ⓓ climate
change.
Q4. The boiling point of water is __________.
ⓐ 100°c
ⓑ 98°c
ⓒ 37°c
ⓓ none
of these
Q5.
Evaporation takes place ____________.
ⓐ in leaves of plants
ⓑ on
water surface
ⓒ on
snow surface
ⓓ all
of these
Q6.
Wet clothes are dried due to ___________
ⓐ condensation
ⓑ sublimation
ⓒ evaporation
ⓓ freezing
Q7.
When two or more substances are mixed together in a proportion is called______.
ⓐ solvent
ⓑ solute
ⓒ mixture
ⓓ
solution
Q8. Which gas is present in carbonated drinks?
ⓐ oxygen
ⓑ nitrogen
ⓒ
helium
ⓓ carbon
dioxide
Q9.
Soil is an example of ___________ mixture.
ⓐ heterogeneous
ⓑ homogenous
ⓒ both
ⓓ none
of these
Q10.
In the Solution of salt, water, and sugar. identify solvent.
ⓐ salt
ⓑ water
ⓒ sugar
ⓓ these all
Q11. Air is an example of _________.
ⓐ solvent
ⓑ solute
ⓒ solution
ⓓ mixture
Q12.
IRON + OXYGEN + WATER
= _______.
ⓐ decaying
ⓑ burning
ⓒ rusting
ⓓ all
of these
Q13. A solution having a minor quantity of solute is
called ________ solution.
ⓐ dilute
ⓑ concentrated
ⓒ homogenous
ⓓ all
of these
Q14. Identify chemical change.
ⓐ decaying
of leaves
ⓑ burning of petrol
ⓒ
rusting of iron
ⓓ all
of these
Q15.
The process in which a solid directly changes into gas is called_________.
ⓐ condensation
ⓑ sublimation
ⓒ evaporation
ⓓ freezing
Q16. The dissolution of any particle depends on
___________.
ⓐ increase in temperature
ⓑ decrease in temperature
ⓒ
size of particle
ⓓ these
all
Q17.
Dissolving of salt in water is a___________ change.
ⓐ physical
ⓑ mechanical
ⓒ
chemical
ⓓ
electrical
Q18.
Most of Homogenous mixture is also called ___________.
ⓐ solution
ⓑ solvent
ⓒ
solute
ⓓ none
of these
Q19. Change of gas into liquid is called
__________.
ⓐ sublimation
ⓑ condensation
ⓒ
evaporation
ⓓ filtration
Q20.
Such a change which results into totally new material is called______ change.
ⓐ physical
ⓑ mechanical
ⓒ
chemical
ⓓ
burning
ANSWER KEY
Q1. ⓒ 2. ⓒ 3. ⓐ 4. ⓐ 5. ⓓ 6. ⓒ 7. ⓒ
8. ⓓ 9. ⓐ 10. ⓑ 11. ⓓ 12.ⓒ 13. ⓐ 14.ⓐ 15. ⓑ 16. ⓓ 17. ⓒ 18. ⓐ 19. ⓑ 20. ⓒ
