Chemical Formulas & Reactions Review

Chemical Formulas & Reactions Review

10th - 12th Grade

25 Qs

quiz-placeholder

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Chemical Formulas & Reactions Review

Chemical Formulas & Reactions Review

Assessment

Quiz

Chemistry

10th - 12th Grade

Hard

NGSS
HS-PS1-7, HS-PS1-1, HS-PS1-5

+1

Standards-aligned

Created by

Charles Martinez

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Chemical reactions...
occur only in living organisms.
create and destroy atoms
only occur outside living organisms
produce new substances. 

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When the symbol Δ is placed over the yields sign in a chemical reaction it means...?
Heat is supplied to the reaction
a catalyst is needed
yields 
precipitate

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Chemical equations...
describe chemical reactions
show how to write chemical formulas
give directions for naming chemical compounds
describe only biological changes

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Symbols used in equations, together with the explanations of the symbols. are shown below. Which set is correct?
(g) grams
(l) liters
(aq) dissolved in water
(s) solid product

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

In the chemical equation
H₂O₂(aq)→H₂O(l) + O₂(g)
 the O₂ is a 
Catalyst 
Solid
Product
Reactant

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The symbol  ↔ indicates that...
heat must be applied
an incomplete combustion reaction has occured
a gas is formed by the reaction
the reaction is reversible 

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A catalyst is 
the product of a combustion reaction
not used up in a reaction
on of the reactants in single-replacement reactions
a solid product of a reaction

Tags

NGSS.HS-PS1-5

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