Chemical Reactions

Which chemical reaction breaks down into 2 substances?

• Double Replacement
• Single Replacement
• Synthesis
• Decomposition

Which chemical reaction switches 2 elements?

• Double Replacement
• Single Replacement
• Combustion
• Decomposition

A + B = AB

• Double Replacement
• Synthesis
• Combustion
• Decomposition

Tags

NGSS.MS-PS1-5

AB + CD = AD + CB

• Double Replacement
• Single Replacement
• Combustion
• Decomposition

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

A + BC = B + AC

• Single Replacement
• Combustion
• Double Replacement
• Synthesis

Tags

NGSS.MS-PS1-2

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

AB = A + B

• Decomposition
• Single Replacement
• Combustion
• Synthesis

Tags

NGSS.MS-PS1-5

In a chemical equation, is it true that -

• the reactant side and product side can have different numbers of atoms for each element
• there can be different elements on the reactant side and the product side
• an element or compound must be accompanied by a phase change
• the coefficients indicate the number of molecules of each reactant used and the number of molecules of each product made

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-1

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

• F
• G
• H
• J

Tags

NGSS.MS-PS1-5

Which of these formulas contain equal numbers of nitrogen atoms?

• Formulas I and III
• Formulas I and IV
• Formulas II and III
• Formulas I, II, and V

Tags

NGSS.MS-PS1-1