CBSE Class 10 Chemistry Displacement Reaction and Reactivity Series Worksheet

Read and download free pdf of CBSE Class 10 Chemistry Displacement Reaction and Reactivity Series Worksheet. Download printable Science Class 10 Worksheets in pdf format, CBSE Class 10 Science Displacement Reaction and Reactivity Series Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 10 Assignments and practice them daily to get better marks in tests and exams for Class 10. Free chapter wise worksheets with answers have been designed by Class 10 teachers as per latest examination pattern

Displacement Reaction and Reactivity Series Science Worksheet for Class 10

Class 10 Science students should refer to the following printable worksheet in Pdf in Class 10. This test paper with questions and solutions for Class 10 Science will be very useful for tests and exams and help you to score better marks

Class 10 Science Displacement Reaction and Reactivity Series Worksheet Pdf

 

STUDY OF DISPLACEMENT REACTION & REACTIVITY SERIES

Experiment No: …4……….


Objective: To study the interaction of metals namely copper, iron, zinc and Aluminium with their salt solutions and arrange them according to their reactivity.

Principle: More reactive metals displace less reactive metals from their compounds.

Example: CuSO4 + Fe FeSO4 + Cu

CBSE Class 10 Chemistry Displacement Reaction and Reactivity Series Worksheet 1

Requirements: Test tubes, CuSO4, FeSO4, Al2(SO4)3, ZnSO4, Copper wire, Iron nail, zinc granules, Al powder, distilled water, test tube rack, beakers (100 ml) etc.
1. Prepare about 25 ml solutions of copper sulphate, ferrous sulphate aluminium sulphate and zinc sulphate.

2. Take 5 ml (each) of copper sulphate solution in four different test tubes and put an iron nail to first test , a small copper wire to the second little aluminium powder to the third and a small zinc granule to the fourth. Keep them aside.

3. Repeat the experiment with Al2(SO4)3, ZnSO4 and FeSO4 solutions as well.

4. Wait for about 25-30 minutes and observe the change that takes place in each test tube.

5. Record your observation in the following table.

6. Write your comments/conclusions in the inference box.

CBSE Class 10 Chemistry Displacement Reaction and Reactivity Series Worksheet 3

Comment/Conclusion:

1. From the above experiment it is proved that stronger metals displace weaker metals from their compounds.

2. Out of the four metals tested, Aluminium is the strongest and Copper the weakest.

3. Therefore the reactivity order is: Cu < Fe < Zn < Al

Precautions:

1. Use concentrated solutions of copper sulphate, magnesium sulphate and ferrous sulphate.

2. The metal pieces should be free from rust (oxide coating) on their surface.

Questions:

1. What happens when (Write balanced chemical equations for the reaction involved):

CBSE Class 10 Chemistry Displacement Reaction and Reactivity Series Worksheet 4

2. Will you store copper sulphate solution in a zinc vessel? Give reasons to your answer. Write balanced chemical reaction involved.

Ans: No, Zn will displace Cu: (Problems: - Precious copper sulphates solution will be lost in two ways: (i) Zn reacts with it and (ii) there will be holes developed on Zn due to the displacement reaction between Cu and Zn)

3. Railway tracks are connected to Mg or Zn metal after a particular distance. Give reasons for the same. Write balanced chemical reaction involved. (Ans: This is done in order to prevent rusting of Railway tracks. Mg being more reactive will not allow railway track to undergo rusting. This type of prevention of corrosion is known as sacrificial protection as Mg sacrifices itself to protect Fe from rusting. 3Mg + Fe2O3 2Fe + 3MgO)

4. Zinc blocks are welded to the hulls of ships. Give reasons. Write balanced chemical reaction involved.

(Ans: This is done in order to prevent rusting of hull of the ship. Zn being more reactive will not allow hull to undergo rusting. This type of prevention of corrosion is known as sacrificial protection as Zn sacrifices itself to protect Fe from rusting. 3Zn + Fe2O3 2Fe + 3ZnO)

Multiple choice questions

1. Out of the following pairs of metallic salts, the pair of salts whose each salt forms coloured solution when dissolved separately in two beakers containing water is

a) CuSO4 , ZnSO4

b) FeSO4 , ZnSO4

c) FeSO4 , CuSO4

d) CuSO4 , Al2(SO4)3

2. A piece of granulated Zinc was added to 5 mL of freshly prepared CuSO4 solution kept in a test tube. After one hour the colour of the solution was observed to change from

a) Blue to colourless

b) Green to colourless

c) Colourless to blue

d) Blue to green

3. Can we store ZnSO4 in aluminium container and why?

a) Yes, because aluminium is less reactive than Zinc.

b) No, because aluminium is more reactive than Zinc.

c) Yes, because ZnSOis colourless.

d) None of these.

4. What is the colour of Zn metal

a) Grey

b) White

c) Black

d) Brown

5. To show that zinc is more reactive than copper the correct procedure is

a) Prepare CuSO4 soln and dip Zn strip in it.

b) Prepare ZnSO4 and dip Cu in it.

c) Heat Zn and Cu strips together.

d) Add dil. HNO3 on both strips.

6. On the basis of reactions identify the most reactive metals

i) A + BX → AX + B

ii) C + AY → CY + A

a) A ,C

b) B , C

c) C , A

d) C , B

7 For doing displacement reactions in the laboratory, the form in which Zn metal is available is

a) Filings

b) Strips

c) Turnings

d) Granules

 

Please click on below link to download CBSE Class 10 Chemistry Displacement Reaction and Reactivity Series Worksheet

Chapter 06 Life Processes
CBSE Class 10 Biology Excretion Set A
CBSE Class 10 Biology Excretion Set B
CBSE Class 10 Biology Excretion Set C
CBSE Class 10 Biology Heterotrophic Nutrition Worksheet Set A
CBSE Class 10 Biology Heterotrophic Nutrition Worksheet Set B
CBSE Class 10 Biology Life Processes Nutrition In Animals Worksheet
CBSE Class 10 Biology Life Processes Nutrition In Plants Worksheet
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set A
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set B
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set C
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set D
CBSE Class 10 Biology Life Processes Reference Materials Worksheet
CBSE Class 10 Biology Life Processes Respiration In Animals Worksheet
CBSE Class 10 Biology Life Processes Respiration Worksheet Set A
CBSE Class 10 Biology Life Processes Respiration Worksheet Set B
CBSE Class 10 Biology Life Processes Respiration Worksheet Set C
CBSE Class 10 Biology Life Processes Respiration Worksheet Set D
CBSE Class 10 Biology Life Processes Transporation Worksheet Set A
CBSE Class 10 Biology Life Processes Transporation Worksheet Set B
CBSE Class 10 Biology Life Processes Transporation Worksheet Set C
CBSE Class 10 Biology Life Processes Transporation Worksheet Set D
CBSE Class 10 Biology Life Processes Worksheet
CBSE Class 10 Biology Life Processes Worksheet Set A
CBSE Class 10 Biology Life Processes Worksheet Set B
CBSE Class 10 Biology Life Processes Worksheet Set C
CBSE Class 10 Biology Life Processes Worksheet Set D
CBSE Class 10 Biology Life Processes Worksheet Set E
Chapter 09 Heredity and Evolution
CBSE Class 10 Biology Heredity And Evolution Set D
Chapter 13 Magnetic Effects of Electric Current
CBSE Class 10 Physics Magnetic Effects of Electric Current Worksheet Set E

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