Reversible Reactions and Equilibrium

Reversible Reactions and Equilibrium

11th Grade

15 Qs

quiz-placeholder

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Reversible Reactions and Equilibrium

Reversible Reactions and Equilibrium

Assessment

Quiz

Chemistry

11th Grade

Medium

NGSS
HS-PS1-6, HS-PS1-5, HS-PS1-4

Standards-aligned

Created by

Charles Martinez

Used 9+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reactions can able to change products back to the their original form?

Reversible reactions

Irreversible reactions

Combustion reactions

Combination reactions

Tags

NGSS.HS-PS1-6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a reversible reaction is exothermic in the forward direction, it will be ...

exothermic in the reverse direction

endothermic in the forward direction too

endothermic in the reverse direction

not involve energy in reverse direction

Tags

NGSS.HS-PS1-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the symbol which is used in reversible reactions?

Δ

+

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a closed system

It gives out energy

The reactants and the products do not escape from reaction mixture

It takes in energy

The reactants and the products escape from he reaction mixture to be kept in the system

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define chemical equilibrium.
A reaction is reversible.
The concentration of the reactants is equal to the concentration of the products.
The rate of a forward reaction is equal to the rate of the reverse reaction.
The reaction stops and no further change in concentration occurs.

Tags

NGSS.HS-PS1-6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
The picture shows a reversible chemical reaction taking place. How can equilibrium be reached?
Stopper the flask.
Add more reactants.
Add more products.
Cool the contents.

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a catalyst change during a reaction?
It is part of the products
It combines with the reactants
It precipitates
It remains unchanged

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