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- 1. Multiple Choice
What is the measure of the amount of matter in an object?
Density
Volume
Mass
Weight
- 2. Multiple Choice
A process in which substances interact to form new substances with different chemical properties is called a _________.
Physical Change
Chemical Reaction
Nuclear Reaction
Phase Transition
- 3. Multiple Choice
What is a symbolic representation of a compound showing the types and numbers of atoms present?
Molecular Formula
Chemical Notation
Structural Formula
Chemical Formula
- 4. Multiple Choice
When sodium and chlorine combine to form sodium chloride, sodium chloride is the:
Originator
Reactant
Product
Produce
- 5. Multiple Choice
4 grams of hydrogen and 32 grams of oxygen will combine to form:
36 grams of water
28 grams of hydroxide
32 grams of oxygen
36 grams of deuterium
- 6. Multiple Choice
In a chemical reaction, 4 grams of sodium must combine with how many grams of chlorine to produce 10 grams of table salt?
4 grams
6 grams
8 grams
10 grams
- 7. Multiple Choice
12.67 g of Carbon reacts with 25.33 g of oxygen to produce ______ g of Carbon Dioxide
14
24
38
62
- 8. Multiple Choice
2
3
4
8
- 9. Multiple Choice
2
3
4
8
- 10. Multiple Choice
During a chemical reaction matter cannot be created or destroyed.
True
False
- 11. Multiple ChoiceWhich of the following models best demonstrates a balanced chemical equation?FGHJ
- 12. Multiple ChoiceThe reactants are on the left side of the chemical equation.TrueFalse
- 13. Multiple Choice
The Law of Conservation of Mass states
that matter exists in all states and reacts the same
that matter can only be changed into new substances by introducing a catalyst
that matter exists in the same state throughout any chemical change
that matter cannot be created or destroyed and that the mass of the products must equal the mass of the reactants
- 14. Multiple Choice
How many Al atoms are in this compound? 4Al2O3
2
8
6
4
- 15. Multiple Choice
An expression of a chemical reaction using chemical formulas and symbols.
algebraic equation
order of operation
chemical equation
formula
- 16. Multiple Choice
Sodium bicarbonate is a __________________.
Reactant
Product
- 17. Multiple Choice
Which symbol in a chemical equation separates the reactants from the products?
=
→
>
+
- 18. Multiple Choice
30 grams of lead oxide and 15 grams of ammonia react completely to produce solid lead, nitrogen gas, and liquid water. What will be approximate mass of all three products?
10 g
15 g
45 g
450 g
- 19. Multiple ChoiceIs this balanced?
Al + O2 → 2Al2O3YesNo - 20. Multiple ChoiceWhat is the left part of a chemical equation called?
H2 + O → H2OReactantsProductsYieldsChemical Equation - Answer choicesTagsAnswer choicesTags