Chemical Reactions

Chemical Reactions

by Halim Johnson

Multiple Choice

Name the Reactants in this equation

Al₂(SO₄)₃+Ca(OH)₂→Al(OH)₃+CaSO₄

• Aluminum Sulfate

• Calcium Sulfate

• Aluminum Sulfate + Calcium Hydroxide

• Calcium Sulfate + Aluminum Hydroxide

Multiple Choice

Name the Products in this equation

Al₂(SO₄)₃+Ca(OH)₂→Al(OH)₃+CaSO₄

• Aluminum Sulfate

• Calcium Sulfate

• Aluminum Sulfate + Calcium Hydroxide

• Calcium Sulfate + Aluminum Hydroxide

Multiple Choice

Count the atoms

Na₃C₆H₅O₇

• 1-Na

  1-C

  1-H

  1-O

• 3-Na

  1-C

  5-H

  7-O

• 3-Na

  6-C

  5-H

  7-O

• 3-Na

  6-C

  1-H

  7-O

Multiple Choice

Count the atoms

2CaCO₃

• 1-Ca

  1-C

  1-O

• 1-Ca

  1-C

  3-O

• 3-Na

  6-C

  7-O

• 2-Ca

  2-C

  6-O

Multiple Choice

Count the atoms

Mg(OH)₂

• 1-Mg

  2-O

  2-H

• 1-Mg

  1-O

  3-H

• 2-Mg

  1-O

  2-H

• 2-Mg

  2-O

  6-H

Multiple Choice

Balance the following equation with the proper coefficients:

_K_(s) + _O_2(g) >>> _KO

• 1,1,1

• 1,2,1

• 2,2,1

• 2,1,2

Multiple Choice

Balance the following equation with the proper coefficients:

_H_2(g) + _S_(l) >>> _H₂S

• 1,1,1

• 1,2,1

• 2,2,1

• 2,1,2

Multiple Choice

Balance the following reaction with coefficients:

Hg(C₂H₃O₂)₂ + LiNO₂ >>> Hg(NO₂)₂ + LiC₂H₃O₂

• 1,1,1,1

• 2,1,2,1

• 1,2,1,2

• 2,2,2,2

Multiple Choice

Balance the following reaction with coefficients:

Mg + HNO₃ >>> Mg(NO₃)₂ + H₂

• 1,1,1,1

• 1,2,1,1

• 1,2,1,2

• 2,2,2,2

Multiple Choice

Use the following chemical with its chemical reaction:

Sodium(solid) reacts with chlorine(gas) to produce sodium chloride

• 2 Na_(s) + Cl_(g) >>> Na₂Cl

• 2 Na_(s) + 2 Cl_(g) >>> Na₂Cl₂

• Na_(s) + Cl_(g) >>> NaCL

• Na_(s) + Cl_(g) >>> NaCl_(s)

Multiple Choice

Use the following chemical with its chemical reaction:

Magnesium(solid) reacts with Oxygen(gas) to produce sodium chloride

Note: Oxygen comes in pairs in nature

• Mg_(s) + O_2(g) >>> MgO

• Mg_(s) + O_(g) >>> MgO

• 2 Mg_(s) + O_2(g) >>> 2 MgO

• 2 Mg_(s) + O_2(g) >>> 2 MgO₂