Unit #7: Stoichiometry Practice

What is the arrow in a chemical equation...
H_{2 +} O --> H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

The substances at the beginning of a chemical equation are called the ____

• product
• yield
• chemical symbol
• reactants

Tags

NGSS.MS-PS1-5

In the equation,          2Mg + O₂ ---> 2MgO, which are the reactants?

• Mg and O
• MgO
• Mg and MgO
• O and MgO

In a chemical reaction, everything to the right of the arrow is called ______________.

• Products
• Yields
• Molecules
• Reactants

Tags

NGSS.HS-PS1-6

What type of reaction involves the breaking down of a substance into simpler substances?

• Single Displacement Reaction

• Double Displacement Reaction

• Synthesis Reaction

• Decomposition Reaction

Tags

NGSS.MS-PS1-2

What type of reaction involves 2 substances combining to form 1 new compound?

• Decomposition Reaction

• Single Displacement Reaction

• Double Displacement Reaction

• Synthesis Reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-1

What type of reaction involves one element replacing another element in a compound?

• Single Displacement Reaction

• Double Displacement Reaction

• Synthesis Reaction

• Decomposition Reaction

What type of chemical reaction is this one?

Al(OH)₃ --> Al2O3 + H2O

• Decomposition

• Combustion

• Synthesis

• Single Replacement

What type of chemical reaction is this one?

CUO + CO2 --> CuCO3

• Decomposition

• Combustion

• Synthesis

• Single Replacement

What type of chemical reaction is this one?

Ca + MgCl2 --> CaCl2 + Mg

• Decomposition

• Combustion

• Synthesis

• Single Replacement

Tags

NGSS.HS-PS1-1