Chemical Reactions

4Si + S₈ --> 2Si₂S₄

• Synthesis
• Decomposition
• Single displacement
• Double displacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

3Ca + 2AlCl₃ --> 3CaCl₂ + 2Al

• Synthesis
• Decomposition
• Single diplacement
• Double displacement

Tags

NGSS.MS-PS1-2

3KOH + H₃PO₄ --> K₃PO₄ + 3H₂O

• Synthesis 
• Decomposition
• Single displacement
• Double displacement

Tags

NGSS.MS-PS1-2

2Pb(NO₃)₂ --> 2PbO + 4NO₂ + O₂

• Synthesis 
• Decomposition
• Single displacement
• Combustion

Tags

NGSS.MS-PS1-2

Which chemical reaction breaks down into 2 substances?

• Double Replacement
• Single Replacement
• Synthesis
• Decomposition

Which chemical reaction takes place when 2 substances react to form a single product?

• Decomposition
• Double Replacement
• Single Replacement
• Synthesis

Tags

NGSS.MS-PS1-5

Which of the following models best demonstrates a balanced chemical equation?

• F
• G
• H
• J

Tags

NGSS.HS-PS1-7

The reactants are on the left side of the chemical equation.

• True
• False

Tags

NGSS.MS-PS1-5

What is the mass of H₂O in the reaction above?

• 70.01
• 24.11
• 21.44
• 48.22

Tags

NGSS.HS-PS1-7

Which of the following BEST describes a chemical reaction?

• A compound is crushed into a fine powder.

• Atoms break apart into even smaller particles.

• Existing electron bonds break and reattach to other atoms

• Molecules move faster until they fly apart from each other

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5