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WorksheetsChapter 8.2 - Other Reactions in AQ - Victor, Benja, Sandy
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is an acid ?
a)
Substance that produces OH- ions, when dissolved in water.
b)
Substance that produces H+ ions (protons), when dissolved in water.
c)
Sour food.
d)
A lemon.
2.
What is the definition for salt ?
a)
Ionic compound, which might precipitate or remain dissolved.
b)
Food's seasoning.
c)
NaCl
d)
Crystaline solid that is essential to cook.
3.
What is a base ?
a)
Soap
b)
Substance that produces H+ ions (protons), when dissolved in water.
c)
Substance that produces OH- ions, when dissolved in water.
d)
Something girls use for make up.
4.
What is the name for HCL?
a)
Hydrogen chloride
b)
Hydrochloric acid
c)
Hydrochloric base
d)
There is not correct answer.
5.
What is a strong base ?
a)
Base that completely separates to produce OH- ions in a solution.
b)
Soap with muscles.
c)
Base that completely separates to produce H+ ions in a solution.
d)
Base that doesn't separate at all.
6.
What is an oxidation-reduction reaction ?
a)
Reaction where each compound losses an electron.
b)
Reaction that involves a transfer of electrons.
c)
Reaction in which both compounds gain an electron.
d)
Reaction in which acids and bases are combined.
7.
What are the two types of acids?
a)
Solid acids and liquid acids.
b)
Strong and weak acids.
c)
Hydro-acids and Oxy-acids.
d)
Binary acids and oxyacids
8.
Which is the correct oxidation chemical equation of NaCl?
a)
Na - e1 = Na1
b)
Na = Na1 - e-1
c)
Na + e-1 = Na1
d)
Na = Na1 + e-1
9.
What is a strong acid ?
a)
Acid that completely separates to produce OH- ions in a solution.
b)
Acid that doesn´t separate at all.
c)
Lemon with muscles.
d)
Acid that completely separates to produce H+ ions in a solution.
10.
Identify the oxidation and reduction of MgF2
a)
Oxidation: Mg
Reduction: F2
Reduction: F2
b)
Oxidation: Mg2
Reduction: F
Reduction: F
c)
Oxidation: F
Reduction: Mg
Reduction: Mg
d)
Oxidation: F2
Reduction: Mg
Reduction: Mg
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