f3 science c6 land and resources student

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Page 1: f3 Science c6 Land and Resources Student
Page 2: f3 Science c6 Land and Resources Student
Page 3: f3 Science c6 Land and Resources Student
Page 4: f3 Science c6 Land and Resources Student
Page 5: f3 Science c6 Land and Resources Student
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Land and its resources

1 The diagram shows an experiment to investigate the reaction between pieces of egg shell and dilute sulphuric acid.

What are the products of the reaction?

A Calcium oxide + carbon dioxide

B Calcium carbonate + carbon dioxide

C Calcium sulphate + carbon dioxide + water

D Calcium hydroxide + carbon dioxide + water

PMR 2004

2 The table shows the information obtained from the steps of petroleum distillation.

Temperature

Colour after distillation

Viscosity Colour

of flame Soot quantity

Below 800C Colourless Very low viscosity Blue None

810C – 1800C Light yellow Low viscosity Orange A little

1810C – 2500C Yellow Viscous Yellow A large amount

More than 2500C Brown Very viscous Red A very large amount

Which of the following best explains the product of petroleum distillation?

A The higher the boiling point, the lower the viscosity

B The higher the boiling point, the more soot is produced

C The higher the boiling point, the more complete is the burning

D The higher the boiling point, the paler the colour of the distillate

PMR 2005

Page 10: f3 Science c6 Land and Resources Student

3 Which of the following situations will produce a compound?

PMR 2006

4 Diagram 20 shows P, Q and R using the products of petroleum.

Diagram 20

Which of the following shows the correct petroleum products used by P, Q and R?

P Q R

A Fuel oil Diesel Kerosene

B Diesel Kerosene Fuel oil

C Kerosene Fuel oil Diesel D Fuel oil Kerosene Diesel

Page 11: f3 Science c6 Land and Resources Student

PMR 2007

5 Diagram 18 shows the apparatus set-up to investigate the properties of compound Q. The gas released turns the lime water chalky.

Diagram 18 What is compound Q?

A Copper oxide

B Lead sulphide

C Silicon dioxide.

D Calcium carbonate.

PMR 2008

Page 12: f3 Science c6 Land and Resources Student

Paper 2

1

Figure 1 shows an experiment to study the reaction between iron filings and oxygen.

(PMR 2004)

Figure 1 (a) (i) What can you observe happening to the iron filings during the reaction?

…………………………………………………………………………………. …………………………………………………………………………………. ………………………………………………………………………………….

( 1 mark ) (ii) Give one reason for your observation in (a) (i)

………………………………………………………………………………… ………………………………………………………………………………… ………………………………………………………………………………...

( 1 mark ) (b) Write the word equation for the reaction.

+

( 1 mark ) (c) The iron filings in the experiment is then replaced with copper powder. Write the word equation for the reaction.

+

( 1 mark)

Page 13: f3 Science c6 Land and Resources Student

2

Diagram 3 shows the apparatus set-up to study the effect of heat on calcium carbonate. (PMR 2007)

Diagram 3

(a) (i) What is liquid W?

………………………………………………………………………………………………. ( 1 mark )

(ii) What can be observed happening to liquid W at the end of this experiment?

………………………………………………………………………………………………

( 1 mark ) (b) Complete the word equation for this reaction.

Calcium Carbonate Heated +

( 1 mark )

(c) What conclusion can be made from this study?

……………………………………………………………………………………………………. …………………………………………………………………………………………………….

( 1 mark )

(d) Suggest how slaked lime can be formed from pieces of sea shells.

…………………………………………………………………………………………………….. …………………………………………………………………………………………………….. ……………………………………………………………………………………………………..

( 2 marks )

Calcium carbonate

W

Page 14: f3 Science c6 Land and Resources Student

3

(a) Diagram 5.1, 5.2 and 5.3 show the formation of petroleum. (PMR 2008)

Diagram 5.1 Diagram 5.2

Diagram 5.3

Explain the formation of petroleum shown in diagram 5.1 and diagram 5.2.

Diagram 5.1 ……………………………………………………………………………………………………. ……………………………………………………………………………………………………. Diagram 5.2 …………………………………………………………………………………………………….. ……………………………………………………………………………………………………..

( 2 marks)

Page 15: f3 Science c6 Land and Resources Student

(b) Diagram 5.4 shows the apparatus set-up to investigate the separation of petroleum into

four different fractions. Table 5.5 shows the observations during the process.

Diagram 5.4

Distillate Boiling point Colour of fractions Viscosity of fractions

Fraction 1 30 C – 80 C Clear Non viscous

Fraction 2 81 C – 120 C Light yellow Non viscous

Fraction 3 121 C – 160 C Yellow Slightly viscous

Fraction 4 161 C – 200 C Brown Viscous

Table 5.5

Based on the observations stated in Table 5.5: (i) State the relationship between the boiling point and the colour of the fraction.

…………………………………………………………………………………………………. …………………………………………………………………………………………………

( 1 mark )

(ii) State the relationship between the boiling point and the viscosity of the fractions. …………………………………………………………………………………………………. ………………………………………………………………………………………………….

( 1 mark ) (iii) State one use of fraction 1.

…………………………………………………………………………………………………

( 1 mark )

Page 16: f3 Science c6 Land and Resources Student

(c) The natural fuel resources in Malaysia are limited and non-renewable. We need to

conserve them.

Suggest two ways of using natural resources efficiently in the industrial sector.

(i) ………………………………………………………………………………………………………

……………………………………………………………………………………………………… (ii) ………………………………………………………………………………………………………

………………………………………………………………………………………………………

( 2 marks ) (d) Bitumen is one of the petroleum fractions.

State how bitumen can be produced.

……………………………………………………………………………………………………… ………………………………………………………………………………………………………

( 1 mark )

Page 17: f3 Science c6 Land and Resources Student

Land and Its Resourcers

Paper 1

1. C

2. B

3. A

4. C

5. D

Paper 2 No. Answer 1 a. (i) Iron filling burn very brightly.

(ii) Iron filings react with oxygen. b. + c. +

2

a. (i) Lime water

(ii) Lime water/Liquid W turns chalky

b. Calcium carbonate Heated + c. Calcium carbonate when heated releases carbon dioxide that turns the

lime water chalky.

d. By heating the sea shell strongly and then pour few drops of water to it.

3

a. Diagram 5.1: Remains of creatures buried under mud and sand.

Diagram 5.2: High pressure and heat slowly changed the mud and sand into rocks.

b. (i) As the boiling of fraction increases the colour of the fraction becomes darker. (ii) As the boiling of fraction increases the viscosity of the fraction increases (iii) Fuel for car

c. 1. Use machine which consume less fuel. 2. Use recycle things such as aluminium cans, iron articles and bottles.

d. Bitumen is produced through fractional distillation at the temperature more than 350ºC.

Iron

Copper Oxygen Copper oxide

Oxygen Iron oxide

Calcium oxide Carbon dioxide

Page 18: f3 Science c6 Land and Resources Student
Page 19: f3 Science c6 Land and Resources Student
Page 20: f3 Science c6 Land and Resources Student

reactive

Magnesium + sulphur magnesium

sulphide

Page 21: f3 Science c6 Land and Resources Student

Cloudy, chalky

Page 22: f3 Science c6 Land and Resources Student
Page 23: f3 Science c6 Land and Resources Student
Page 24: f3 Science c6 Land and Resources Student
Page 25: f3 Science c6 Land and Resources Student
Page 26: f3 Science c6 Land and Resources Student
Page 27: f3 Science c6 Land and Resources Student

Land and its resources

1 The diagram shows an experiment to investigate the reaction between pieces of egg shell and dilute sulphuric acid.

What are the products of the reaction?

A Calcium oxide + carbon dioxide

B Calcium carbonate + carbon dioxide

C Calcium sulphate + carbon dioxide + water

D Calcium hydroxide + carbon dioxide + water

PMR 2004

2 The table shows the information obtained from the steps of petroleum distillation.

Temperature

Colour after distillation

Viscosity Colour

of flame Soot quantity

Below 800C Colourless Very low viscosity Blue None

810C – 1800C Light yellow Low viscosity Orange A little

1810C – 2500C Yellow Viscous Yellow A large amount

More than 2500C Brown Very viscous Red A very large amount

Which of the following best explains the product of petroleum distillation?

A The higher the boiling point, the lower the viscosity

B The higher the boiling point, the more soot is produced

C The higher the boiling point, the more complete is the burning

D The higher the boiling point, the paler the colour of the distillate

PMR 2005

Page 28: f3 Science c6 Land and Resources Student

3 Which of the following situations will produce a compound?

PMR 2006

4 Diagram 20 shows P, Q and R using the products of petroleum.

Diagram 20

Which of the following shows the correct petroleum products used by P, Q and R?

P Q R

A Fuel oil Diesel Kerosene

B Diesel Kerosene Fuel oil

C Kerosene Fuel oil Diesel D Fuel oil Kerosene Diesel

Page 29: f3 Science c6 Land and Resources Student

PMR 2007

5 Diagram 18 shows the apparatus set-up to investigate the properties of compound Q. The gas released turns the lime water chalky.

Diagram 18 What is compound Q?

A Copper oxide

B Lead sulphide

C Silicon dioxide.

D Calcium carbonate.

PMR 2008

Page 30: f3 Science c6 Land and Resources Student

Paper 2

1

Figure 1 shows an experiment to study the reaction between iron filings and oxygen.

(PMR 2004)

Figure 1 (a) (i) What can you observe happening to the iron filings during the reaction?

…………………………………………………………………………………. …………………………………………………………………………………. ………………………………………………………………………………….

( 1 mark ) (ii) Give one reason for your observation in (a) (i)

………………………………………………………………………………… ………………………………………………………………………………… ………………………………………………………………………………...

( 1 mark ) (b) Write the word equation for the reaction.

+

( 1 mark ) (c) The iron filings in the experiment is then replaced with copper powder. Write the word equation for the reaction.

+

( 1 mark)

Page 31: f3 Science c6 Land and Resources Student

2

Diagram 3 shows the apparatus set-up to study the effect of heat on calcium carbonate. (PMR 2007)

Diagram 3

(e) (i) What is liquid W?

………………………………………………………………………………………………. ( 1 mark )

(ii) What can be observed happening to liquid W at the end of this experiment?

………………………………………………………………………………………………

( 1 mark ) (f) Complete the word equation for this reaction.

Calcium Carbonate Heated +

( 1 mark )

(g) What conclusion can be made from this study?

……………………………………………………………………………………………………. …………………………………………………………………………………………………….

( 1 mark )

(h) Suggest how slaked lime can be formed from pieces of sea shells.

…………………………………………………………………………………………………….. …………………………………………………………………………………………………….. ……………………………………………………………………………………………………..

( 2 marks )

Calcium carbonate

W

Page 32: f3 Science c6 Land and Resources Student

3

(e) Diagram 5.1, 5.2 and 5.3 show the formation of petroleum. (PMR 2008)

Diagram 5.1 Diagram 5.2

Diagram 5.3

Explain the formation of petroleum shown in diagram 5.1 and diagram 5.2.

Diagram 5.1 ……………………………………………………………………………………………………. ……………………………………………………………………………………………………. Diagram 5.2 …………………………………………………………………………………………………….. ……………………………………………………………………………………………………..

( 2 marks)

Page 33: f3 Science c6 Land and Resources Student

(f) Diagram 5.4 shows the apparatus set-up to investigate the separation of petroleum into

four different fractions. Table 5.5 shows the observations during the process.

Diagram 5.4

Distillate Boiling point Colour of fractions Viscosity of fractions

Fraction 1 30 C – 80 C Clear Non viscous

Fraction 2 81 C – 120 C Light yellow Non viscous

Fraction 3 121 C – 160 C Yellow Slightly viscous

Fraction 4 161 C – 200 C Brown Viscous

Table 5.5

Based on the observations stated in Table 5.5: (i) State the relationship between the boiling point and the colour of the fraction.

…………………………………………………………………………………………………. …………………………………………………………………………………………………

( 1 mark )

(ii) State the relationship between the boiling point and the viscosity of the fractions. …………………………………………………………………………………………………. ………………………………………………………………………………………………….

( 1 mark ) (iii) State one use of fraction 1.

…………………………………………………………………………………………………

( 1 mark )

Page 34: f3 Science c6 Land and Resources Student

(g) The natural fuel resources in Malaysia are limited and non-renewable. We need to

conserve them.

Suggest two ways of using natural resources efficiently in the industrial sector.

(iii) ………………………………………………………………………………………………………

……………………………………………………………………………………………………… (iv) ………………………………………………………………………………………………………

………………………………………………………………………………………………………

( 2 marks ) (h) Bitumen is one of the petroleum fractions.

State how bitumen can be produced.

……………………………………………………………………………………………………… ………………………………………………………………………………………………………

( 1 mark )

Page 35: f3 Science c6 Land and Resources Student

Land and Its Resourcers

Paper 1

6. C

7. B

8. A

9. C

10. D

Paper 2

No. Answer 1 a. (i) Iron filling burn very brightly.

(ii) Iron filings react with oxygen. b. + c. +

2

e. (i) Lime water

(ii) Lime water/Liquid W turns chalky

f. Calcium carbonate Heated + g. Calcium carbonate when heated releases carbon dioxide that turns the

lime water chalky.

h. By heating the sea shell strongly and then pour few drops of water to it.

3

e. Diagram 5.1: Remains of creatures buried under mud and sand.

Diagram 5.2: High pressure and heat slowly changed the mud and sand into rocks.

f. (i) As the boiling of fraction increases the colour of the fraction becomes darker. (ii) As the boiling of fraction increases the viscosity of the fraction increases (iii) Fuel for car

g. 1. Use machine which consume less fuel.

Iron

Copper Oxygen Copper oxide

Oxygen Iron oxide

Calcium oxide Carbon dioxide

Page 36: f3 Science c6 Land and Resources Student

2. Use recycle things such as aluminium cans, iron articles and bottles.

h. Bitumen is produced through fractional distillation at the temperature more than 350ºC.