Review Unit 5 Chemical Reactions

The law of conservation of mass was established by ___, in the late 18th century.

• Albert Einstein

• Amedeo Avogadro

• John Dalton

• Antoine Lavoisier

• Neils Bohr

Tags

NGSS.HS-PS1-7

Chemical formulas on the left side are called __.

• reactants

• products

• oxidizers

• reducers

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Chemical formulas on the right side are called __.

• reactants

• products

• oxidizers

• reducers

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The __ shows the direction of the reaction

• coefficient

• subscript

• arrow

• plus symbol

• state of matter

The large numbers in front of the chemical formulas are called?

• coefficients

• products

• subscripts

• yeilds

• state of matter

The small numbers written slightly below of the chemical formulas are called?

• coefficients

• products

• subscripts

• yeilds

• state of matter

What do the (g) and (l) mean in the chemical equation?

• coefficients

• products

• subscripts

• yeilds

• state of matter

What type of chemical reaction is shown?

• synthesis

• combustion

• single replacement

• decomposition

• acid-base neutralization

What type of chemical reaction is shown?

• synthesis

• decomposition

• combustion

• single replacement

• double replacement

Which of the reactions below are synthesis reactions? Two answers

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•