chapter 1 chemistry
Quiz by Dr.mariam 0547389123
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- Q1
all the following are correct except..........
chemistry is the study of structure
chemistry is the study of composition
chemistry is the study of motion
chemistry is the study of properties
300s - Q2
rotting of meat
none of above
physical change
chemical change
300s - Q3
Properties of matter can be determined without changing composition, …………… while properties of matter must in which there is change in the composition of matter……….
Chemical, physical
None of the above
Physical,chemical
300s - Q4
The change from a gaseous state to liquid state is called?
sublimation
condensation
sedimentation
solidification
300s - Q5
The change from solid to gaseous state is called?
sublimation
condensation
sedimentation
solidification
300s - Q6
Changes in appearance but not composition
physical change
chemical change
none of above
300s - Q7
In which of the following pairs of physical changes the final state is the same?
deposition and condensation
sublimation and vaporization
condensation and freezing
deposition and melting
300s - Q8
Deposition is the change from…………….
solid to liquid
gas to solid
liquid to solid
liquid to gas
300s - Q9
Which of the following is an example of physical change?
Dissolution of salt in water
Melting of ice
Sublimation of ice in winter
All of these are examples of physical change
300s - Q10
Defined matter
the smallest particle of a compound
the smallest particle of an element
a positive charge particle
anything that has mass and occupies space
300s