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Mixtures,Elements, Compounds with Physical and
Chemical Changes QUIZ REVIEW
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Admit Slip

Is ground turkey an element, compound, or a mixture?

Is it a pure substance?

If you freeze the turkey, is that a physical or chemical
change?

If you cook the turkey, is that a physical or chemical
change?
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Today’s Objectives
 You
will be able to:
Compare and contrast mixtures, elements and
compounds
 Compare and contrast heterogeneous and
homogeneous mixtures
 Compare and contrast physical and chemical changes
 Use states of matter to describe what is happening in
a chemical reaction
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Agenda
 Admit
Slip
 Homework
 Work
Check/Review
on Quiz Review
 Review
Answers to Quiz Review
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Homework Review
1. Label the products and reactants in the following chemical
equation:
HCl(aq) + NaHCO3(aq) 
NaCl(aq) + H2O(l) + CO2(g)
Reactants
Products
2. In the law of conservation of mass, the mass must
A. change
B. double
C. cut in half
D. stay the same
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Homework Review
3. Label the following as a mixture, element, or compound.
a) N2 gas
Element
b) syrup
Mixture
c) sugar, C2H22O11 Compound
d) strawberry milk
Mixture
4. Label the following as homogeneous or heterogeneous mixtures.
a) toothpaste
Homogen. Mixture
b) beef chili
Heterogen. Mixture
c) peanut butter and jelly sandwich Heterogen. Mixture
d) orange juice
Homogen. Mixture (without pulp)
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Homework Review
5.Label the following as physical or chemical changes.
a) cutting tomatoes
Physical change
b) baking potatoes
Chemical change
c) boiling water
Physical change
d) freezing water
Physical change
e) sugar water with yeast rises into a dough Chemical change
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Quiz Review
Your
completed quiz review is due at:
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Quiz Review Answers
1.
Heterogenous and homogeneous
2.
Elements and compounds are the 2 types of pure
substances
3.
B a heterogeneous mixture has more than one
phase
4.
C the composition of a mixture can vary; pure
substances have a fixed comp.
5.
C evaporation is a way to separate some
mixtures
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Quiz Review Answers
6.
C
7.
B salt and water can be separated by a physical
process
8.
a) hetereog.
b) homog.
c) homog.
d) heterog.
9.
a homogeneous mixture
homog. has 1 phase
heterog. has 2 or more phases
10.
Distillation is used to C separate mixtures by
boiling points.
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Quiz Review Answers
11.
Mixtures are sep. by a physical process
12.
Compounds can be broken down by a chemical
reaction
13.
Elements can be broken down by a nuclear
reaction
14.
D elements can not be broken by chemical
reactions, but compounds can
15.
B sugar is isolated from sugar water by
evaporation
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Quiz Review Answers
16.
17.
B salt crystals dissolving in water
paint:MIX
water:COM
tothpt:MIX
19.
ca: ELE
air: MIX
paper:MIX
V:ELE
m&c:MIX
CO2: COM
Li:ELE
flu:ELE
NaOH:COM
orangj: MIX sugar:COM greink:MIX
Meat rotting: PHYS
CH4 + O2  CO2 + H2O :
CHEM
freezing water: PHYS
salt dissolving: PHYS
burning charcoal: CHEM
water evaporating: PHYS
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Quiz Review Answers
20.
a) water boiling is a physical change
b) an egg cooking is a chemical change
21.
HCl(aq) + NaHCO3(aq) 
Reactants
NaCl(aq) + H2O(l) + CO2(g)
Products
22.
C NaCl dissolved in water to make a solution
23.
C aqueous
24.
A solid
25.
C gas
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Quiz Review Answers
26.
B liquid
27.
B bubbles of gas forming
28.
D stays the same