Free Printable CHAPTER 3 Mole concept, Chemical Formula and Equation QUIZ 1

1.

What is the formula of potassium ion?

a)

$P^+$

b)

$K^+$

c)

$P^{2+}$

d)

$K^{2+}$

2.

What is the name of $Cu^{2+}$ ion?

a)

Copper

b)

Copper ion

c)

Copper(I) ion

d)

Copper(II) ion

3.

What is the formula of hydroxide ion?

a)

$H^-$

b)

$O^{2-}$

c)

$OH^-$

d)

$NO_3^-$

4.

What is the formula of aluminium ion?

a)

$Al^{ }$

b)

$Al^+$

c)

$Al^{2+}$

d)

$Al^{3+}$

5.

Calculate the relative molecular mass of $NO_2$ .

[RAM: N=14; O=16]

a)

44

b)

46

c)

60

d)

448

6.

What is the formula of sulphate ion?

a)

$SO_4^{2-}$

b)

$PO_4^{3-}$

c)

$NO_3^-$

d)

$CO_3^{2-}$

7.

What is the formula of magnesium ion?

a)

$Mg^+$

b)

$Mg^{2+}$

c)

$Mn^+$

d)

$Mn^{2+}$

8.

What is the formula of silver ion?

a)

$Sn^{ }$

b)

$Sn^{2+}$

c)

$Ag^+$

d)

$Ag^{2+}$

9.

Calculate the relative formula mass of $Cu\left(OH\right)_2$ .

[RAM: Cu=64; O=16; H=1]

a)

162

b)

98

c)

83

d)

82

10.

What is the formula of zinc ion?

a)

$Zn^{2+}$

b)

$Sn^{2+}$

c)

$Mg^{2+}$

d)

$Ca^{2+}$

11.

What is the formula of carbonate ion?

a)

$SO_4^{2-}$

b)

$PO_4^{3-}$

c)

$NO_3^-$

d)

$CO_3^{2-}$

12.

What is the formula of tin ion?

a)

$Zn^{2+}$

b)

$Sn^{2+}$

c)

$Mg^{2+}$

d)

$Ca^{2+}$

13.

Calculate the relative molecular mass of $C_6H_{12}O_6$ .

[RAM: C=12; O=16; H=1]

a)

30

b)

60

c)

90

d)

180

14.

What is the formula of calcium ion?

a)

$Zn^{2+}$

b)

$Sn^{2+}$

c)

$Mg^{2+}$

d)

$Ca^{2+}$

15.

What is the formula of chloride ion?

a)

$F^-$

b)

$Cl^-$

c)

$Br^-$

d)

$I^-$

16.

What is the name of $Fe^{3+}$ ion?

a)

iron(III) ion

b)

iron(II) ion

c)

iron(I) ion

d)

iron ion

17.

Calculate how many carbon atoms will have the same mass as 1 silver atom.

[RAM: C=12; Ag=108]

a)

7

b)

8

c)

9

d)

10

18.

What is the formula of oxide ion?

a)

$OH^-$

b)

$H^-$

c)

$O^{2-}$

d)

$O_2$

19.

What is the formula of sodium ion?

a)

$So^+$

b)

$Na^+$

c)

$Po^+$

d)

$K^+$

20.

What is the name of $Pb^{2+}$ ion?

a)

lead(IV) ion

b)

lead(II) ion

c)

lead(I) ion

d)

lead ion

21.

The mass of a krypton atom is equal to the sum of two magnesium atoms and three carbon atoms. What is the relative atomic mass of krypton?

[RAM: C=12; Mg=24]

a)

36

b)

60

c)

84

d)

180

22.

What is the formula of hydrogen ion?

a)

$H^-$

b)

$H^+$

c)

$OH^-$

d)

$O^{2-}$

23.

What is the formula of manganate(VII) ion?

a)

$Cr^{3+}$

b)

$CrO_4^{2-}$

c)

$Mn^{2+}$

d)

$MnO_4^-$

24.

What is the formula of bromide ion?

a)

$F^-$

b)

$Cl^-$

c)

$Br^-$

d)

$I^-$

25.

Calculate the relative formula mass of hydrated cobalt(II) chloride, $CoCl_2.6H_2O$ .

[RAM: Co=59; Cl=35.5; O=16; H=1]

a)

238

b)

154

c)

148

d)

130

CHAPTER 3 Mole concept, Chemical Formula and Equation QUIZ 1

Total questions: 25

Worksheet time: 5mins

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