Chemical Reactions Pre-Assessment

Chemical Reactions Pre-Assessment

By Kerissa Armstead

Poll

How much do you already know about chemical reactions?

• D-F

• C

• B

• A+

Multiple Choice

Which of these is a chemical reaction?

• Cutting a piece of paper in half

• Lighting a match

• Mixing sugar and water

• Boiling water

Multiple Select

Color Change is a sign of chemical reaction

• True

• False

Multiple Select

Change in Smell or Taste is a chemical reaction

• True

• False

Multiple Choice

For a process to be defined as a chemical reaction, _____ must be produced.

• more mass

• the same substance

• light

• a new substance

Multiple Choice

Which of the following is an example of a chemical reaction?

• The break down of food into energy

• Photosynthesis in plants

• Metal rusting

• All of the above

• None of the Above

Multiple Choice

One example of a chemical reaction is when H20 (water) melts and changes state from ice to liquid.

• True

• False

Poll

How confident do you feel in recognizing a chemical change (chemical reaction) vs. a physical change?

• D-F

• C

• B

• A

Multiple Select

Which of these are reactants?

H₂ + O₂ -> H₂O

• H₂

• O₂

• H₂O

• All of the above

Multiple Select

Select the products:

CH₄ + O₂ -> H₂O + CO₂

• CH4

• O2

• H₂O

• CO₂

Multiple Choice

In the equation shown, what are the reactant(s)?

• N₂ + H₂

• NH₃

Poll

How confident are you in identifying reactants and products?

• D-F

• C

• B

• A