Free Printable Review Predicting

1.

Predict the product of the following synthesis reaction.

Ca + N₂ -->

a)

CaN₂

b)

CaN

c)

Ca₃N₂

d)

CaNNot

2.

Predict the products, before balancing.

Co₂(SO₄)₃ + NaOH -->

a)

CoOH + NaSO₄

b)

CoNa + OH(SO₄)₃

c)

Co₂OH + Na(SO₄)₃

d)

Co(OH)₃ + Na₂SO₄

e)

no reaction

3.

What type of reaction is shown in the picture?

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

4.

Check which option lists all of the diatomic elements CORRECTLY.

a)

H₂, N₂, O₂, F₂, Cl₂, He₂

b)

H₂, N₂, O₂, F₂, Cl₂, Br₂, I₂

c)

H₂, N₂, O₂, S₂, Br₂, I₂, Se₂

d)

N₂, O₂, F₂, Br₂, Cl₂, I₂

5.

What type of chemical reaction is shown in the picture?

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

6.

How many Oxygen are in H₂O?

a)

1

b)

2

c)

0

d)

4

7.

How many O's are in Al₂(SO₄)₃

a)

4

b)

12

c)

7

d)

24

8.

How many elements are in C₆H₁₂O₆?

a)

1

b)

2

c)

3

d)

4

9.

Number of N in (NH₄)₂CrO₄

a)

1

b)

2

c)

8

d)

16

10.

How many atoms of Carbon are in this formula? $C_{6\ }H_{12}O_6$

a)

6

b)

1

c)

12

11.

Is this equation balanced?

a)

yes

b)

no

c)

Not enough information

12.

Is this equation balanced?

a)

yes

b)

no

c)

Not enough information

13.

C₂H₃O₂^-

a)

acetate

b)

acetite

c)

hypoacetite

d)

peracetate

14.

Translate the word equation below:

Nitrogen reacts with Hydrogen to form Ammonia (NH₃).

a)

$N\ \ \rightarrow\ H\ +\ NH_3$

b)

$N_2\ +\ H_2\ \rightarrow\ NH_3$

c)

$N\ +\ H\ \rightarrow\ NH_3$

d)

$N_2\ \rightarrow\ H_2\ +\ NH_3$

15.

Translate the word equation below.

Hydrogen and Carbon Dioxide react to form Carbonic Acid (H₂CO₃).

a)

$H\ +\ CO_2\ \rightarrow\ H_2CO_3$

b)

$H\ \rightarrow\ CO_2\ +\ H_2CO_{3_{ }}$

c)

$H_2\ +\ CO_2\ \rightarrow\ H_2CO_3$

d)

$H_2\ \rightarrow\ CO_2\ +\ H_2CO_3$

16.

Which is NOT a diatomic molecule?

a)

Fluorine

b)

Nitrogen

c)

Boron

d)

Bromine

17.

Which is the correct formula for the compound Chromium (II) Nitrate?

a)

Cr₂NO₃

b)

(Cr)₂NO₃

c)

CrNO₂

d)

Cr(NO₃)₂

18.

Which letter is a subscript in the image?

a)

a

b)

b

c)

c

d)

d

Review Predicting

Total questions: 18

Worksheet time: 11mins

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