MDCAT Chemistry Chapter 22 Preparation Online Test for Pakistani Students

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This online test contains MCQs about following topics:.

a) Describe air pollutants. b) Understand the chemistry and cause of Acid Rain. c) Depletion of Ozone layer by chlorofluorocarbons (CFCs).

MDCAT Chemistry Ch 22 Test
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Online MCQ`s Test For Chapter 21 "MDCAT Chemistry Chapter 22 Online Test"

Try The MCQ`s Test For Chapter 21 "MDCAT Chemistry Chapter 22 Online Test"

  • Total Questions58

  • Time Allowed40

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MDCAT Chemistry Chapter 22 Online Test

00:00
Question # 1

Which one of the following is an organic compound?

Question # 2

Term ozone hole is used for depletion of ozone during months of:

Question # 3

Choose the correct statements

Question # 4

Acidification of soil can leach metal:

Question # 5

Newspapers can be recycled again and again by how many times

Question # 6

The eleventh concentration of metal cause clogs of gills in fish:

Question # 7

Soil remediation means

Question # 8

Ozone in stratosphere extends upto km:

Question # 9

The Catalyst used in the contact tower for the manufacture of H2SO4  is easily poisoned by:

Question # 10

Why a C - Cl bond breaks by uv light

Question # 11

Exhaust fumes of cars contain which poisonous gas

Question # 12

Water exist in only

Question # 13

0.1M HCI having pH =1.0 it is about 100 time stronger than acetic acid what will be the pH of acetic acid:

Question # 14

What is the morality of a solution containing 15g of urea is 500cm3 of solution?

Question # 15

Oceans cove ____________ percent of the surface of the earth

Question # 16

To purify water which has mud dissolved in it, a substance which coagulates the suspended particles is used.
The coagulant may be

Question # 17

The normal amount of overhead ozone is

Question # 18

Augus smith discovered in the mid of seventeenth century:

Question # 19

Synthetic organic pesticides formulated nowadays are more then:

Question # 20

HOCl is a compound:

Question # 21

Dissolved impurities of potable water can be separated by the process of

Question # 22

Which one of the following is not air pollutant gas

Question # 23

What change in plants indicates toxic effect of SO2

Question # 24

Which gas is not a constituent of atmosphere?

Question # 25

Most harmful of biosphere is

Question # 26

A single free chlorine redical can destroy ozone molecules upto:

Question # 27

The normal amount of overhead ozone is about in DU:

Question # 28

Ecosystem is a smaller unity of

Question # 29

Ozone acts as:

Question # 30

The main pollution of leather tanneries in the waste is due to the salt of

Question # 31

Increased awareness of environment issues has led chemist to develop products and processes that do not impact on the environment in terms of pollution or depletion of sources. To help chemist to achieve this aim, some principles are drawn, which one is not the guiding principle

Question # 32

The ozone depletion in the stratophere is mainly due to the reaction of ozone with

Question # 33

How much quantity of total water is available as fresh water

Question # 34

Troposphere extends upto km:

Question # 35

Proxy acetyl nitrate (PAN) is an irritant to human beings and it affect

Question # 36

Water is made disinfectant during purification of water to the step:

Question # 37

A chemist says that glass must be a super cooled liquid. the reason that he might have in his mind is that glass has:

Question # 38

Acid rain is caused when various atmospheric gases dissolve in rain water. What are the gases that cause rain water

Question # 39

Solid waster of the city is disposed off by dumping in a landfill. Which of the following gas is produced in the landfill

Question # 40

Industrial effluents have toxic synthetic organic compounds as well as heavy metals like

Question # 41

Which one of the following is used as coagulant for purification potable water

Question # 42

Reason of pollution are:

Question # 43

Ozone layer is high:

Question # 44

Chemical like Al2(SO4) or alum are used in purification of water druing step:

Question # 45

Property due to which water acts as a universal solvent is

Question # 46

Test of incomplete combustion of petrol in the presence of

Question # 47

Which of the following waste material is not recycled for use again

Question # 48

Chloroform is carcinogenic:

Question # 49

Smaller unit of biosphere is:

Question # 50

The pH range of acid rain is?

Question # 51

Which step is unnecessary for purification of water for drinking purposes

Question # 52

Ozone is a gas having boiling point

Question # 53

Lanthanides an actinides belong to following group of periodic table:

Question # 54

Leaching of nutrients is due to

Question # 55

Ozone is most of the tropical regions acts as a pollutant and causes

Question # 56

Which of the following is a macronutrient?

Question # 57

Incineration is a process in which solid waste is burned at high temperature ranging from

Question # 58

By the mid of 1980s depletion of total overhead ozone in antarctic region is

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MDCAT Chemistry Chapter 22 Test

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