Free Printable Chemistry Quiz

1.

what is meant by molar volume?

a)

the mole occupied by 1 dm³ of a gas at a specific temperature and pressure

b)

the volume occupied by one mole of a gas at a specific temperature and pressure

2.

RTP stands for (a)

3.

what is the temperature at RTP condition?

a)

0 - 5 ^oC

b)

10 - 15 ^oC

c)

20 - 25 ^oC

4.

what is the molar volume at RTP?

a)

22 dm³/mol

b)

24 dm³/mol

c)

26 dm³/mol

5.

The volume of 1 mole of O₂ gas is ... 1 mole of Cl₂gas at RTP condition

a)

greater than

b)

equal to

c)

smaller than

6.

Calculate the moles (in mol) of 2.4 dm³of O₂ at RTP.

which formula do we use to answer that question?

a)

$mole\ =\ \frac{mass}{M_r}$

b)

$mole\ =\ \frac{volume\ of\ gas}{Molar\ volume}$

c)

$mole\ =\ concentration\ \times volume\ of\ solution$

7.

Calculate the moles (in mol) of 2.4 dm³of O₂ at RTP.

a)

0.1 dm³

b)

1 dm³

c)

0,01 dm³

8.

calculate the volume (in dm³) of 2.0 mol H₂ at rtp.

which formula do you use?

a)

$volume\ =mole\times M_r$

b)

$volume\ =mole\times Molar\ volume$

c)

$volume\ =concentration\ \times molar\ volume$

9.

calculate the volume (in dm³) of 2.0 mol H₂ at rtp.

a)

48 dm³

b)

4.8 dm³

c)

0.48 dm³

10.

what is the unit for concentration?

a)

mol/dm³

b)

dm³/mol

c)

g/dm³

11.

which formula to calculate the concentration?

a)

$concentration\ =\ \frac{mass}{M_r}$

b)

$concentration\ =\ \frac{Volume}{Molar\ volume}$

c)

$concentration\ =\ \frac{mole}{volume}$

12.

calculate the concentration (in mol/dm³) of 2.0 dm³ of NaOH solution containing 0.2 mol NaOH

a)

0.01 mol/dm³

b)

0.1 mol/dm³

c)

1.0 mol/dm³

13.

Ca(OH)₂ + 2HCl → CaCl₂ + 2H₂O

what is the molar ratio of the following compounds

Ca(OH)₂ : HCl

a)

1 : 1

b)

1 : 2

c)

2 : 1

d)

2 : 2

14.

Ca(OH)₂ + 2HCl → CaCl₂ + 2H₂O

what is the mole (in mol) of HCl needed to react with 2 mol of Ca(OH)₂

a)

1 mol

b)

2 mol

c)

3 mol

d)

4 mol

15.

what technique we can use to find out the concentration of unknown substances reacts with a certain volume of another solution of known concentration?

a)

Titration

b)

Neutralisation

c)

Indicator

d)

Acid - Base

Chemistry Quiz

Total questions: 15

Worksheet time: 1hrs 15mins

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