Chemical Reactions Review 2 Question Preview (ID: 42121)


Chemistry. TEACHERS: click here for quick copy question ID numbers.

Which is an example of a chemical reaction?
a) tearing up your quiz because you made a bad grade
b) eating an antacid to calm your upset stomach
c) rubbing your hands together to warm them
d) pouring water on a cut to wash off the germs

Hydrogen and oxygen combine to form water. If you have 12 grams of hydrogen gas + oxygen gas in your reactant, how much water do you have in your product?
a) 24 g
b) 6 g
c) 12 g
d) not enough information to answer this question

The chemical reaction (A + B yields AB) can be described as
a) single replacement
b) double replacement
c) decomposition
d) synthesis

If the products formed from burning a candle are mostly carbon (C), carbon dioxide (CO2) and Water (H2O), what elements are in the reactant?
a) Carbon, carbon dioxide, water
b) C, CO2, H2O
c) carbon, hydrogen and oxygen
d) Carbon and hydrogen

AB + CD yields AC + BD is an example of which type of reaction?
a) synthesis
b) double replacement
c) single replacement
d) decomposition

Review: When atoms share valence electrons it is known as a
a) covalent bond
b) ionic bond
c) negative bond
d) metallic bond

Review: What is the correct name for the covalent compound CF3?
a) calcium fluoride
b) carbon trifluoride
c) monocarbon tetrafluoride
d) monocarbon trifluoride

Review: When naming ionic compounds you use prefixes.
a) False, prefixes are only used in naming covalent compounds.
b) True, prefixes are used in naming ionic and covalent compounds.
c) False, prefixes are used in naming ionic and covalent compounds.
d) True, prefixes are used in naming ionic compounds ONLY.

The law of conservation of mass states that
a) energy can't be created or destroyed.
b) matter can't be created or destroyed.
c) matter can't be created.
d) matter can't be destroyed.

When 3 g of chlorine is added to 8 grams of sodium, how much sodium chloride is produced?
a) 11 g
b) 5 g
c) 3 g
d) 8 g

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