Chemical Reactions Review

What type of reaction does this graphic represent?

• Synthesis

• Double Displacement

• Single Replacement

• Decomposition

Tags

NGSS.MS-PS1-2

What type of reaction does this graphic represent?

• Decomposition

• Double Displacement

• Single Replacement

• Synthesis

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What type of reaction does this graphic represent?

• Decomposition

• Double Displacement

• Synthesis

• Single Replacement

Tags

NGSS.MS-PS1-2

What type of reaction does this graphic represent?

• Synthesis

• Decomposition

• Double Displacement

• Single Replacement

Tags

NGSS.MS-PS1-2

What type of reaction is shown in the following chemical equation: NH3 + HCl → NH4Cl?

• Synthesis

• Decomposition

• Single Replacement

• Double Displacement

What type of reaction is indicated below?

MgBr₂ + KCO₃ → MgCO₃ + KBr.

• Double Displacement

• Synthesis

• Decomposition

• Single Replacement

Which of the following is a balanced chemical equation?

• AgNO₃ + KBr → 4AgBr + 2KNO₃

• 2AgNO₃ + 2KBr → 3AgBr + 2KNO₃

• AgNO₃ + KBr → AgBr + KNO₃

• AgNO₃ + 2KBr → AgBr + 3KNO₃

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

If heat must be added to a chemical reaction for the reaction to take place (ex.- baking a cake), the reaction is (a)   .

• exothermic

• balanced

• non-thermic

• endothermic

Tags

NGSS.MS-PS3-4

A chemical reaction in which heat energy is released is (a)   .

• exothermic

• flammable

• endothermic

• none of these

Tags

NGSS.MS-PS1-4

Numbers that are in front of symbols and formulas in a chemical equation are (a)   .

• subscripts

• superscripts

• coefficients

• catalysts