Online MCQ Test for MCAT Chemistry Unit Organic Chemistry: Environmental Chemistry

Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice

Here on this page you can attempt class 10 English chapter 1 mcqs online test and assess your progress. You can start the online test for class 10 English chapter 1 mcqs by clicking the “Start Chapter 1 Test” button and after that just select the answers one by one of all the question. If you want to prepare better for the 10th class English mcqs test, we have given 10th class English chapter 1 mcqs pdf file on this page. This 10th class English chapter 1 mcqs solved file contains all the chapter 1 English 10th class important mcqs. We encourage all the 10th class students to try this English online test, it will help you regardless in the 10th class English board exam. The English chapter 1 test also includes grammar mcqs to help students with objective part of their board exam.

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Biology Chapter 1 MCQ - PDF

Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.

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MDCAT Chemistry Chapter 22 Online Test

MDCAT Chemistry Chapter 22 Online Test

MDCAT Chemistry Chapter 22 Online Test

A single chloride free redical can destroy bow many ozene molecules?

How can heavy metal contamination like the presence of Hg or Pb may be removed from the soil

Water cover earth surface more than:

Biochemical oxygen demand is the capacity of organic matter in natural water to consume oxygen

Which one of the following is not air pollutant gas

Which of the following factors is not used to determine the quality of water

Polar ice caps and glaciers consists total earth water:

NO and NO2gases in atmosphere are represented by

Water is considered pollutant when value of Do is

One of the environmental problem is the formation of oil slicks when oil is spilled form tankers in sea water. Which treatment is suitable to remove oil slicks

Transformation is a cyclic process in which used plactic is

Ozone is usually produced in the

Ecology is a science of environment and deals specially with

Contamination of Hg comes into surface water from chlor industrial wastes. Why is Hg toxic

Eleven elements made part of earth mass:

The pH range of acid rain is?

Boron, aluminium, gallium, indium and thallium belong to group lll-A of the periodic table show a decrease with increasing relative atomic mass:

Ozone is present in layer around earth:

Polycyclic aromatic hydrocarbons are taught to be

The range of UV-B is:

Pan is an irritant to human beings and it affects

The film forming components of paints are

Electropositive character increases down the groups due to:

The toxic organic compounds and heavy metals and metalloids results in contamination of

Carbon Monoxide is:

Hard water can block radiators due to formation of

Fresh water of total earth water is:

The % of CO2in the atmosphere is

Lithosphere has amount of silicon

Ozone in most of the tropical regions acts as a pollutant and cause

Increased awareness of environmental issues has led chemists 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

During incineration temperature range of non-rotating chamber is

The overall effect of the photochemical smog in the after noon is built up of

Poisoning of CO can be reveresed by giving oxygen at pressure:

The temperature in the incineration process has a range:

The pH rain of acid rain is

Why a C- C bond breaks by uv light

Splitting of spectral lines when atoms are subjected to strong electric field is called:

The yellow color present in the photo chemical smog is due to presence of the

Leachate contains:

Volcanoes produce SO2:

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

CFCs destroy ozone layer. How many ozone molecule a chlorine free radical can destroy

Chloroform is carcinogenic:

Ground and surface waters are contaminated and become polluted due to the human activity. Which human activity will not cause water pollution

Materials suspended in water or present as colloidal form in raw water are removed by:

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

Which of the following is not the required condition for the formation of smog

A pollutant affects

Rigid rocky crust earth upto a depth of 100 km is called:

Which factor is helping to reduce the environmental pollution

Ozone layer is high:

Surface and ground water sources are contaminated by various human activities. Which of the following is not human activity that causes contamination in fresh water

The respiration process taking place in animals depends on a difference in

Water which forms scum with soap is called

BOD is the oxygen demand with in day(s):

Polar ice caps can melt due to

Which of the following air pollutant is called quiet killer

Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice

Biology Chapter 1 - Answers Mode

Biology Chapter 1 MCQ - PDF

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NO and NO₂gases in atmosphere are represented by

The % of CO₂in the atmosphere is

Volcanoes produce SO₂: