Chemical Reactions and Equations
Authored by Lisa Thompson
Science
8th Grade
NGSS covered
Used 1+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The things that exist BEFORE the reaction are called
Reactants
Products
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this reaction balanced or unbalanced?
balanced
unbalanced
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What kind of reaction is this: HCl + KI → HI + KCl
single displacement
double displacement
synthesis
decomposition
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What kind of reaction is this: 3CuCl2 + 2Al → 2AlCl3 + 3Cu
single displacement
double displacement
synthesis
decomposition
5.
DRAG AND DROP QUESTION
1 min • 1 pt
In a chemical equation, the arrow points towards the (a) of the reaction.
products
reactants
elements
compounds
6.
DRAG AND DROP QUESTION
1 min • 1 pt
The starting materials in a chemical equation are the (a) The ending substances are the (b)
reactants
products
yields
ingredients
Tags
NGSS.MS-PS1-5
7.
DROPDOWN QUESTION
1 min • 3 pts
(a) denote the number of atoms of an element in a molecule, and (b) denote the number of a molecule in an equation
Subscripts
Coefficients
Superscripts
Exponents
Parentheses
Cofactors
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