Physical/Chemical Properties
Physical properties can be ____________ without _______________ changing matter
Physical properties can be ____OBSERVED_____ without __CHEMICALLY____ changing matter
What type of changes is when one more more new substances are produced?
Physical changes or chemical changes?
Chemical changes
Pure substances may either be ________ or compounds
Elements or mixtures?
Elements
Which of the following is a compound?
A. Oxygen
B. Salt
C. Brass
D. Pizza
B. Salt
Density is a _____________ property
A. chemical
B. Physical
C. homogenous
D. heterogenous
B. Physical
______________ properties describe how a substance interacts with other substances
Chemical
Which phase of matter has indefinite shape and definite volume?
Solids, liquids or gas?
Liquids
Which type of matter is combined in definite proportions?
Elements, Compounds, or Mixtures?
Compounds
Which of the following is an example of a physical change?
A. Getting a haircut
B. Lighting a candle
C. The formation of acid rain
D. alka seltzer tablets fizzing
A. Getting a haircut
Density is defined as the mass per unit of:
A. length
B. Width
C. volume
D. weight
C. volume
Malleability, density, color, texture, solubility, and mass are examples of:
Physical properties or chemical properties?
Physical properties
Phase changes are ____________ changes
Physical or chemical
Physical
Compounds can be broken into their elements by:
A. Physical changes
B. Distillation
C. Chemical changes
D. Densities
C. Chemical changes
A mixture of sand and water would BEST be seperated by:
A. Magnetism
B. Distillation
C. Filtration
D. Sight
hint: think of coffee
C. Filtration
Substances that cannot be broken down:
A. elements
B. compounds
C. mixtures
hint: it is PURE
A. elements
Which of the following is an example of a chemical property?
A. Mass
B. Color
C. Reactivity
D. Length
C. Reactivity
The phase change from liquid to gas:
a. Sublimation
B. Freezing
C. Condensation
D. Boiling
D. Boiling
Which of the following is a heterogeneous mixture?
A. pizza
B. brass
C. water
D. graphite
A. pizza
Distillation is used to separate liquids with different:
A. freezing points
B. Solubilities
C. Densities
D. Boiling points
D. Boiling points
_________ is NOT a pure substance:
A. Sulfur
B. Air
C. Sugar
D. CO2
B. Air
Which phase of matter has definite shape and definite volume?
Solids, liquids, or gas?
Solids
Tearing, crushing, and phase changes are examples of
Physical changes or chemical changes?
Physical changes
Which is an example of an element?
A. brass
B. oxygen
C. rust
d. water
B. oxygen
A special typr of homogenous mixture which is a solid sollution made of metals is called:
A. element
B. compound
C. alloy
D. density
C. alloy
Carbon is an example of:
A. element
B. compound
C. Heterogenous mixture
D. homogeneous mixture
A. element