WorksheetsChemistry Quiz
Total questions: 30
Worksheet time: 8hrs 30mins
Reactivity (bubbling, fizzing) is a --- property.
Chemical
Physical
Which of the following would be considered a physical change?
Cutting paper
pH test
Burning marshmellow
Roasting a Turkey
Burning a piece of paper is an example of a
Physical Change
Chemical change
Which change creates a NEW substance?
Physical change
Chemical Change
True or False: Chemical changes and Chemical Properties are the exact same thing.
True
False
The _________________________ states that in ordinary chemical and physical changes, mass is not created or destroyed but is only transformed into different substances.
law of physical change
law of chemical change
law of conservation of mass
law of matter
The signs of a chemical change are
Temperature change
Gas is produced
Colour change
Precipitate
All of the above
Which of the following is not an example of a chemical change?
Melting of butter
Burning a piece of paper
Rusting of iron
Fireworks
Choose the one that is a chemical property
Magnetism
Size
Color
Reactivity with water
What effect does observing the physical properties of a substance have on the substance?
Measuring physical properties changes the chemical identity of the substance
Observing physical properties has no effect on the substance
It makes to substance develop a deep seeded distrust of humans
The substance will undergo an exothermic reaction
What is the outcome of observing a chemical property?
Nothing
A new substance is formed with different properties
NaCl
A rise in thermal conductivity
Which of these statements best describes a chemical property of a substance?
It reacts with an acid to form water
The object has a blue color
The substance has a powdery texture
It has a density of 2.11 g/cm3
Choose whether the following is a physical or chemical property: Malleability
Physical
Chemical
Which option best describes the difference between a physical and chemical property?
There is no difference between a physical and chemical properties?
Physical properties are usually room temperature but chemical properties are very hot
Observing a chemical property results in the creation of a new substance while observing a physical change does not change the substance
The difference between physical and chemical properties are the states of matter
When metal comes in contact with oxygen and water, it creates ---- through a chemical reaction.
Rust (tarnish)
Mold
Decomposition
Copper
which one is not an indicator of a chemical change
formation of gas
formation of a solid
formation of liquid
change of colour
change in temperature
ice melting is chemical
true
false
A green powder is heated & a gas is given off while it turns to a black solid. This describes
Physical Change
Chemical Change
Change in State
Change in Temperature
The difference between a Physical change and a Chemical change is…
Physical change is only a change to the outside appearance.
Chemical change is when matter is changed into something new.
Atoms are rearranged in chemical changes & not in physical.
All are correct.
State of matter with a definite shape and definite volume.
solid
liquid
gas
Basic state of matter with the least amount of energy.
solid
liquid
gas
What happens to particles when their temperature increases?
The particles move slower
The particles move faster
The particles lose mass
The particles gain mass
What happens when the speed of particles decreases?
Their temperature decreases
Their temperature increases
Their mass decreases
Their mass increases
