Want to see correct answers?
Login or join for free!
  Chemistry Worksheets
Looking for Chemistry worksheets?
Check out our pre-made Chemistry worksheets!
Share/Like This Page

Reactions Questions - All Grades

You can create printable tests and worksheets from these Reactions questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

Previous Page 1 of 18 Next
Grade 10 Reactions
To balance a chemical equation, you may adjust the
  1. coefficients.
  2. subscripts.
  3. formulas of the product.
  4. either of coefficients or subscripts.
Grade 11 Reactions
Grade 10 Reactions
Grade 10 Reactions
What happens to matter during a chemical reaction?
  1. some matter is destroyed
  2. matter is neither destroyed or created
  3. some matter is created
  4. some matter is destroyed and some is created
Grade 8 Reactions
A chemical equation that shows the same number of each kind of atom is considered to be
  1. balanced.
  2. unbalanced.
  3. an incomplete reaction.
  4. a replacement reaction.
Grade 11 Reactions
What is the Greek prefix for the number 4?
  1. tetra-
  2. hepta-
  3. hexa-
  4. deca-
Grade 10 Reactions
Which is the balance equation for the following reaction?

[math]KCl + Al rarr AlCl_3 + K[/math]
  1. [math]KCl + Al rarr AlCl_3 + 3K[/math]
  2. [math]3KCl + Al rarr 3AlCl_3 + K[/math]
  3. [math]KCl + Al rarr 3AlCl_3 + 3K[/math]
  4. [math]3KCl + Al rarr AlCl_3 + 3K[/math]
Grade 8 Reactions
A substance that undergoes a change in a chemical reaction is
  1. a substance.
  2. a reactant.
  3. an enzyme.
  4. a chemical.
Grade 11 Reactions
Grade 10 Reactions
What type of chemical reaction is [math]P + O -> PO[/math]?
  1. synthesis
  2. decomposition
  3. single replacement
  4. double replacement
Grade 10 Reactions
What type of reaction does the following equation represent?

[math]FeS + 2HCl rarr FeCl_2 + H_2S[/math]
  1. synthesis reaction
  2. double-displacement reaction
  3. single-displacement reaction
  4. decomposition reaction
Grade 10 Reactions
Which of the following is true for all chemical reactions?
  1. The total mass of the reactants increases.
  2. The total mass of the products is greater than the total mass of the reactants
  3. The total mass of the reactants equals the total mass of the products.
  4. The total mass of the products is less than the total mass of the reactants.
Grade 10 Reactions
What type of reaction is [math]2Al + 6HCl rarr 3H_2 + 2AlCl_3[/math]?
  1. synthesis
  2. decomposition
  3. single replacement
  4. double replacement
Grade 9 Reactions
Which cannot take place during a chemical reaction?
  1. Formation of new atoms
  2. Bonds breaking between atoms
  3. Formation of new molecules
  4. Bonds forming between atoms
Previous Page 1 of 18 Next
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.