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This quiz contains 6 questions from a mix of 1 subtopics.

Add state symbols to the following equation representing reaction between hydrochloric acid and sodium hydroxide solution.

HCl() + NaOH() ➔ NaCl() + H2O()

aq
aq
aq
l

0

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4

Add state symbols to the following equation representing the combustion of magnesium ribbon.

2Mg() + O2() ➔ 2MgO()

s
g
s

0

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3

What is the correct ionic equation for the reaction between hydrochloric acid and potassium hydroxide?

H+ + Cl- + K+ + OH- ➔ K+ + Cl- + H2O

H+ + Cl- + K+ + OH- ➔ KCl + H2O

H+ + OH- ➔ H2O

0

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1

The following precipitation reaction takes place to produce the yellow precipitate lead(II) iodide, PbI2: 

Pb(NO3)2(aq) + 2KI(aq) ➔ PbI2(s) + 2KNO3(aq)

What is the correct ionic equation for this reaction?

Pb2+(aq) + 2I-(aq) ➔ PbI2(s)

Pb2+(aq) + I2-(aq) ➔ PbI2(s)

Pb2+(aq) + I-(aq) ➔ PbI2(s)

Pb(aq) + I2(aq) ➔ PbI2(s)

0

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1

Balance the following equation:

Al2O3 + 9Fe ➔ Fe3O4 + Al

4
3
8

0

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3

Balance the following equation:

KClO3 ➔ 2KCl + O2

2
3

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2