Unit 7 Review (Honors) Question Preview (ID: 58560)


Unit 7 Test. TEACHERS: click here for quick copy question ID numbers.

Which of the following would be a precipitate in aqueous solution?
a) Ca(NO3)2
b) PbSO4
c) Na2CO3
d) KOH

If LiCl(aq) and AgNO3(aq) are reacted, which ions are the spectators?
a) Li+1 and NO3-1
b) Cl-1 and Ag+1
c) Li+1 and Cl-1
d) All ions, because this example results in no reaction.

Which metal could react with Fe(NO3)3 in a single replacement reaction?
a) Silver
b) Nickel
c) Potassium
d) Gold

What products are created when NaOH decomposes?
a) Na and OH
b) NaO and H2O
c) Na2O and H2O
d) Na, O2, and H2

Which element is NOT diatomic?
a) C
b) N
c) Br
d) F

Which gas results in a splint test that re-ignites?
a) O2
b) H2
c) CO2
d) H2O

Which characteristic is representative of combustion reactions?
a) The products are aqueous.
b) A color change occurs.
c) A precipitate is formed.
d) Energy, such as heat or light, is produced.

What are the product(s) of the following reaction? Li + H2O = ?
a) LiOH
b) Li2O + H2
c) LiO + H
d) LiOH + H2

Which type of reaction involves the formation of one product?
a) Synthesis
b) Decomposition
c) Single Replacement
d) Combustion

*Know your nomenclature*! What is the chemical formula for sulfuric acid?
a) HSO3
b) H2SO4
c) H2SO3
d) H2S

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