Chemical Reactions
Authored by Mayra Quiroga
Chemistry
9th - 12th Grade
NGSS covered
Used 13+ times
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chemical formulas represent ____.
chemical equations
reactants
products
compounds
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The substances formed during a chemical reaction are ___.
reactants
products
compounds
chemical formulas
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The substances present at the beginning of the chemical reaction are ___.
reactants
products
compounds
chemical formulas
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bonds break, atoms rearrange, new bonds and new substances are formed during ___.
chemical formulas
chemical reactions
chemical equations
chemical symbols
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is a description of a reaction using element's symbols and chemical formulas.
chemical formulas
chemical reactions
chemical equations
chemical symbols
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
States that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after a chemical reaction
Law of chemical reactions
Law of conservation of energy
Law of conservation of momentum
Law of conservation of mass
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mass of the reactants is ____ the mass of the products.
always greater than
always smaller than
always equal to
ignored to
Tags
NGSS.HS-PS1-7
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