1. The state of matter for an object that has neither definite shape nor definite volume is
A.solid
B.liquid
C.gaseous
D.elemental
E.mixed


2. The state of matter for an object that has a definite volume but not a definite shape is
A.solid
B.liquid
C.gaseous
D.elemental
E.mixed


3. The state of matter for an object that has both definite volume and definite shape is
A.solid
B.liquid
C.gaseous
D.elemental
E.mixed


4. Which of the following involves a chemical change?
A.boiling water
B.melting ice
C.chopping wood
D.cooking an egg
E.none of these


5. Which of the following is a physical change?
A.burning gasoline
B.cooking an egg
C.decomposing meat
D.evaporating water
E.rusting iron


6. Which of the following involves no chemical change?
A.burning paper
B.boiling water
C.baking a cake
D.lighting a match
E.driving a car


7. Which of the following is only a physical change?
A.A piece of sulfur is burned.
B.A nail rusts.
C.Ice melts.
D.Potatoes rot.


8. An example of a chemical change is
A.boiling alcohol
B.grinding coffee beans.
C.digesting a pizza
D.coffee spilled on a shirt
E.an ice cube melting in a drink


9. How many of the following are compounds: table salt, carbon, copper, water, mercury?
A.1
B.2
C.3
D.4
E.5


10. Which of the following is an element?
A.sodium chloride
B.water
C.glucose
D.cotton
E.carbon


11. An example of a mixture is
A.hydrogen fluoride
B.purified water
C.gold
D.the air in this room
E.all of these


12. An example of a pure substance is
A.elements
B.compounds
C.pure water
D.carbon dioxide
E.all of these


13. Sand on the beach is an example of
A.a homogeneous mixture
B.a heterogeneous mixture
C.a compound
D.an element


14. Water is an example of
A.a homogeneous mixture
B.a heterogeneous mixture
C.a compound
D.an element


15. A solution can be distinguished from a compound by its
A.variable composition
B.liquid state
C.heterogeneous nature
D.lack of color


16. Which would be an example of a homogeneous mixture?
A.vodka
B.oily water
C.soil (dust)
D.sodium chloride
E.aluminum


17. A pure substance made up of more than one kind of atom is called
A.a homogeneous mixture
B.a heterogeneous mixture
C.a compound
D.an element
E.an alloy


18. Which of the following is a valid unit for specific heat (or specific heat capacity)?
A.cal/g °C
B.cal
C.cal/g
D.°C
E.g °C/cal


19. Heat is typically measured in
A.°C
B.°F
C.joules
D.grams


20. The quantity of heat required to change the temperature of 1 g of a substance by 1°C is defined as
A.a joule
B.specific heat capacity
C.a calorie
D.density


21. Which of these is a chemical property?
A.Ice melts at 0°C.
B.Oxygen is a gas.
C.Helium is very nonreactive.
D.Sodium is a soft, shiny metal.
E.Water has a high specific heat.



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