High School Chemistry Balanced Equations

Choose the correct Word form of the chemical equation below

Cu  +  2HgNO3  →  Cu(NO3)2  +  2Hg

• Copper combines with mercury (I) nitrate to produce copper (II) nitrate and mercury.

• Copper combines with Magnesium (I) nitrate to produce copper (II) nitrate and Magnesium

• Cobalt combines with mercury (I) nitrate to produce cobalt (II) nitrate and mercury.

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Identify the type of reaction for the following chemical equation:

2H₂ + O₂ → 2H₂O

• Decomposition

• Combination

• Single displacement

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NGSS.MS-PS1-1

Which of the following is the correct word form of the chemical equation below?

2Na + Cl₂ → 2NaCl

• Sodium reacts with chlorine to form sodium chloride.

• Sodium reacts with carbon dioxide to form sodium carbonate.

• Sodium reacts with chlorine to form sodium chlorate.

Choose the correct word form of the chemical equation below:

Fe + S → FeS

• Iron reacts with sulfur to form iron sulfide.

• Iron reacts with sulfur to form iron sulfate.

• Iron reacts with sulfur to form iron sulfite.

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NGSS.MS-PS1-1

NGSS.MS-PS1-5

Hydrochloric acid plus magnesium react to make…

• magnesium oxide

• magnesium chloride and water

• magnesium chloride and hydrogen

• hydrogen and water

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a product of the chemical reaction between hydrogen and oxygen?

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NGSS.MS-PS1-1

NGSS.MS-PS1-2

Which of the following is a sign of a chemical reaction?

• Change in state of matter

• Change in temperature

• Dissolving of a substance

• Change in volume

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NGSS.MS-PS1-2

Which of the following is a chemical change?

• Boiling water

• Dissolving sugar in water

• Rusting of iron

• Melting ice

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

1.  Aluminum oxide reacts with hydrochloric acid to produce aluminum chloride and water.

Write the word form as a Chemical equation

• 2Al2O3 + 6HCl -> 2AlCl3 + 3H2O
• 2Al2O3 + 6HCl -> 2AlCl3 + 2H2O
• Al2O3 + 6HCl -> 2AlCl3 + 3H2O

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NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Hydrochloric acid plus magnesium react to make…

• magnesium oxide

• magnesium chloride and water

• magnesium chloride and hydrogen

• hydrogen and water

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NGSS.MS-PS1-2

NGSS.MS-PS1-5