Free Printable Chemical formula and equations

1.

NaOHrepresents

a)

Sodium bicarbonate

b)

Sodium carbonate

c)

Sodium Chloride

d)

Sodium Hydroxide

2.

What is the correct way to write the formula for the model of this compound?

a)

2H₂0

b)

2H₂O

c)

2HO₂

d)

H₂O₂

3.

Which chemical formula could be represented by this sample?

a)

NaCl

b)

H₂

c)

C₆H₁₂O₆

d)

Cu

4.

The formula of sodium sulfate is

a)

NaSO₄

b)

Na₂SO₄

c)

Na(SO₄)₂

d)

Na₂(SO₄)₃

5.

The formula of silver nitrate is

a)

AgNO₃

b)

Ag₂NO₃

c)

Ag(NO₃)₂

6.

The name of Cu(OH)₂ is

a)

copper hydroxide

b)

copper(I) hydroxide

c)

copper(II) hydroxide

7.

The formula of ammonium ion is

a)

NH₃

b)

NH₃⁺

c)

NH₄

d)

NH₄⁺

8.

The formula of iron(II) hydroxide is

a)

FeOH₂

b)

FeOH

c)

Fe(OH)₂

d)

Fe(OH)₃

9.

The formula of sodium carbonate is

a)

NaCO₃

b)

Na(CO₃)₂

c)

Na₂CO₃

10.

The formula of calcium hydroxide is

a)

CaOH

b)

Ca(OH)₂

c)

Ca(OH)₃

11.

The formula of magnesium chloride is

a)

MgCl

b)

MgCl₂

c)

MgCl₃

12.

The formula of iron(III) oxide is

a)

FeO

b)

FeO₂

c)

Fe₂O

d)

Fe₂O₃

13.

The formula of sulfuric acid is

a)

HSO₄

b)

H₂SO₄

c)

H₂SO₃

d)

H₂SO₃

14.

Which of the following formula is NOT an acid?

a)

HCl

b)

HNO₃

c)

H₂SO₄

d)

NH₃

15.

What is the name of $OH^-$

a)

oxide

b)

hydroxide

c)

peroxide

d)

acetate

16.

What is the name of $NH_4^+$

a)

Ammonium

b)

Nitrate

c)

Hydrate

d)

Nitride

17.

What is the name of $CO_3^{\ 2-}$

a)

Carbon Trioxide

b)

Chlorate

c)

Hydroxide

d)

Carbonate

18.

What is the name of $NO_3^-$

a)

Oxone

b)

Nitrate

c)

Sulfate

d)

Nitride

19.

What is the name of $SO_4^{\ \ 2-}$

a)

Sulfate

b)

Sulfide

c)

Ammonium

d)

Phosphate

20.

What is the correct formula for Sulfate?

a)

$SO_3^+$

b)

$SO_4^{\ 2-}$

c)

$SO^+$

d)

$CO^-$

21.

What is the correct formula for Carbonate?

a)

$C_2H_4O_2^-$

b)

$CO_2^-$

c)

$CO_3^{\ 2-}$

d)

$CO_4^-$

22.

What is the correct formula for Nitrate?

a)

$NH^+$

b)

$NH_4^+$

c)

$NO_3^-$

d)

$NO_4^{-2}$

23.

What is the formula for Ammonium Flouride?

a)

$F\left(NH_4\right)_2$

b)

$NH_4F$

c)

$NH_4F_2$

d)

$\left(NH_4\right)_2F_3$

24.

What is the proper formula for Potassium Sulfate?

a)

$P\left(PO_4\right)$

b)

$K_3PO_4$

c)

$K_2\left(SO_4\right)_3$

d)

$K_2SO_4$

25.

Name this compound $Al\left(OH\right)_3$

a)

Aluminum Oxide

b)

Aluminum Trioxide

c)

Aluminum Acetate

d)

Aluminum Hydroxide

26.

Name this compound $Be_2SO_4$

a)

Barium Sulfide

b)

Beryllium Sulfide

c)

Beryllium Sulfate

d)

Beryllium Chlorate

27.

Cu⁺² and OH ^-

a)

CuOH₂

b)

Cu₂OH

c)

Cu(OH)₂

d)

correct answer is not given

28.

NH₄ ⁺¹ and C₂O₄ ^-2

a)

NH₄C₂O₄

b)

(NH₄)₂C₂O₄

c)

NH₄(C₂O₄)₂

d)

correct answer is not given

29.

How many atoms are present in (NH₄)₂SO₄?

a)

3

b)

10

c)

15

d)

12

30.

$\ldots KClO_3\ \rightarrow\ \ldots KCl\ +\ \ldots O_2$

(a)

31.

$\ldots NaCl\ +\ \ldots F_2\ \rightarrow\ \ldots NaF\ +\ldots Cl_2$

(a)

32.

$\ldots S_8\ +\ \ldots O_2\ \rightarrow\ \ldots SO_3$

(a)

33.

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)

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

34.

Which is the correct chemical equation for the following: Solid Zn reacts with silver (I) chloride to produce Zinc (II) chloride and silver metal

a)

Zn + AgCl → ZnCl₂+ Ag

b)

ZnCl₂ + Ag → Zn + AgCl

c)

ZnCl2 + Ag₂ → Zn + AgCl

d)

Zn₂Cl + Ag → Zn + AgCl

35.

Magnesium can be burned in oxygen to produce solid magnesium oxide.

a)

2Mg + O₂→ 2MgO

b)

Mg + O→ MgO

c)

2Mg + CO₂→ 2MgO + C

d)

2Mg + O₂→ Mg₂O₂

36.

Iron reacts with sulfur to produce iron(II) sulfide powder.

a)

2Fe + S→ Fe₂S

b)

Fe + S → FeS

c)

Fe+ S→ FeS

d)

4Fe + S₂ → 2Fe₂S

37.

Which of the following is a neutralization reaction?

a)

2Na + Cl₂ → 2NaCl

b)

CH₄ + 2O₂ → CO₂ + 2H₂O

c)

HCl + KOH → KCl + H₂O

d)

CaCO₃ → CO₂ + CaO

38.

.............................. + sodium hydroxide --> sodium chloride + water

a)

Nitric acid

b)

Sulphuric acid

c)

Hydrochloric acid

d)

Ethanoic acid

39.

Acid + Metal --> ?

a)

Salt + Water

b)

Salt + Hydrogen

c)

Salt

d)

Hydrogen

40.

zinc carbonate is a type of carbonate

hydrochloric acid + zinc carbonate --> zinc chloride + water + _____

a)

water

b)

hydrogen

c)

carbon dioxide

d)

oxygen

41.

Name the salt formed.

nitric acid + calcium --> _______ + hydrogen

a)

calcium chloride

b)

calcium nitrate

c)

calcium nitric

d)

calcium hydroxide

42.

Name the products formed.

sulfuric acid + calcium carbonate --> ?

a)

calcium sulfate + hydrogen + oxygen

b)

calcium sulfate + water + carbon dioxide

c)

calcium sulfate + water + oxygen

d)

calcium sulfate + water + carbon

43.

Complete the following reaction:

HNO₃ + Ca(OH)₂ -->

a)

Ca(NO₃)₂ + H₂O

b)

Ca +H₂O

c)

Ca(NO₃)₂ + H₂

d)

Ca(NO₃)₂ + H₂O + CO₂

44.

Na + HNO₃------------>

a)

Na + H₂O + O₂

b)

NaH + NO₂

c)

Na(NO₃)₂+ H₂

d)

NaNO₃+ H₂

45.

NaHCO₃+ H₂SO₄------------> H₂O +

a)

CO₂

b)

NaSO₄+ CO₂

c)

Na₂SO₄+ CO₂

d)

Na₂(SO₄)₂+ CO₂

46.

ZnO + H₂SO₄ --------->

a)

ZnSO₄+ H₂+ O₂

b)

Zn(SO₄)₂+ H₂O

c)

Zn(SO₄)₂+ H₂

d)

ZnSO₄+ H₂O

47.

Ca(OH)₂+ 2HNO₃------->

a)

Ca(NO)₃+ H₂O

b)

CaNO₃+ H₂O

c)

Ca(NO₃)₂+ 2H₂O

d)

Ca(NO₃)₂+ H₂O

48.

$\ldots NaOH\ +\ \ldots\ \left(NH_{4\ }\right)_2SO_4\ \rightarrow\ \ldots Na_2SO_4\ +2......\ +........$

(a)

Chemical formula and equations

Total questions: 48

Worksheet time: 27mins

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