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15th Unit

10th Chemistry English Medium Chapter 7 Test

Matric Part 2/10th Class Chemistry Chapter 15 MCQ Test With Answer for Unit 15 Water Preparation

This online test contains MCQs about following topics:

- Properties of Water

- Water as Solvent

- Soft and Hard Water

- Types of Hardness

- Methods of Removing Hardness

- Disadvantages of Water Hardness

- Water Pollution

- Waterborne Diseases


10th Chemistry Chapter Wise Test
(English Medium)

Click Here for Chemistry Urdu Medium Ch 7 MCQ Test

Matric Part 2/10th Class Chemistry Chapter 15 MCQ Test With Answer for Unit 15 Water Preparation

Sr. # Questions Answers Choice
1 Acute lead poisoning causes dysfunction of.
  • A. Kidney
  • B. Liver
  • C. CNS
  • D. All of them
2 The heat capacity of water is greater than rocks.
  • A. 4 times
  • B. 5 times
  • C. 6 times
  • D. 7 times
3 Hard water can cause.
  • A. Stomach disorder
  • B. Boiler blasts
  • C. Inefficiency of engine
  • D. All of them
4 How many percentage to water contains oceans?
  • A. 67%
  • B. 77%
  • C. 87%
  • D. 97%
5 Example of pest is
  • A. Weeds
  • B. Herbs
  • C. Insect
  • D. All of them
6 Which element do not causes toxicity in water?
  • A. Lead
  • B. Arsenic
  • C. Sodium
  • D. Mercury
7 At which temperature o water shows mxamimum density.
  • A. 0 <sup>o</sup>C
  • B. 100<sup>o</sup>C
  • C. 4<sup>o</sup>C
  • D. -4<sup>o</sup>C
8 soap is the sodium salt of long chain.
  • A. Amino acids
  • B. Fatty acids
  • C. Nucleotides
  • D. None of them
9 Boiling point of water is:
  • A. 0<sup>o</sup>C
  • B. 25<sup>o</sup>C
  • C. 80<sup>o</sup>C
  • D. 100<sup>o</sup>C
10 Neurological damage is caused by the poisoning of.
  • A. Lead
  • B. Cadimium
  • C. Mercury
  • D. All of them

Top Scorers of Chemistry 10th Class English Medium Unit 15 Online Test

Q

Qindeel

Lahore26 - Oct - 2022

12/12
55 Sec
S

Shoaib Ahmad

Lahore18 - Nov - 2022

12/12
57 Sec
Q

Qindeel

Lahore26 - Oct - 2022

12/12
01 Mins
D

Dangerous Videos

Lahore06 - Nov - 2022

12/12
02 Mins 14 Sec
Q

Qindeel

Lahore26 - Oct - 2022

11/12
41 Sec
Q

Qindeel

Lahore26 - Oct - 2022

11/12
48 Sec
Q

Qindeel

Lahore26 - Oct - 2022

11/12
53 Sec
Q

Qindeel

Lahore26 - Oct - 2022

11/12
57 Sec
Q

Qindeel

Lahore26 - Oct - 2022

11/12
01 Mins 01 Sec
Q

Qindeel

Lahore26 - Oct - 2022

11/12
01 Mins 02 Sec
Q

Qindeel

Lahore26 - Oct - 2022

11/12
01 Mins 19 Sec
Q

Qindeel

Lahore26 - Oct - 2022

11/12
01 Mins 21 Sec
Q

Qindeel

Lahore26 - Oct - 2022

11/12
01 Mins 45 Sec
D

Dangerous Videos

Lahore06 - Nov - 2022

11/12
02 Mins 11 Sec
D

Dangerous Videos

Lahore06 - Nov - 2022

11/12
02 Mins 41 Sec

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