9th Class Chemistry Chapter 10 Online Test (English Medium)

Get ready for your exams with our 9th class chemistry chapter 10 online test. This unit contains essential topics that English medium students must master to score high in the chemistry objective paper. Our test covers every important point from the chapter, ensuring that no concept is left behind.

Whether you are preparing for a class test or the final board exam, this 9th chemistry chapter 10 online test will help you evaluate your knowledge level. It is completely free and provides instant feedback on your answers. Start the quiz now and boost your confidence for the chemistry examination!

9TH CHEMISTRY CHAPTER 10

📋 Online Test Guidelines

  • 📘 Test Type: MCQs (57 Questions | 57 Marks)
  • ⏱️ Time Allowed: 1 minute per question
  • 🔀 Shuffle Mode: Questions are randomized every time you start.
  • ⚠️ No Skipping: You must answer every question to proceed.
  • Submission: Once you finish the test, click See Results.

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1) The chemical used to neutralize soil is:

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2) Normally, rainwater is acidic in nature due to the presence of:

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3) Which of the following is acid rain?

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4) Acid rain makes soil:

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5) The pH of normal rainwater is:

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6) Buildings are being damaged by acid rain because it attacks:

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7) Normally, rainwater is weakly acidic because of:

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8) Taj Mahal is situated in which place?

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9) Which toxic substance is present in soil?

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10) The Pacific Ocean contains about ...... million tons of garbage:

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11) Nitrogen oxides are produced by ...... engines:

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12) In which area is there a greater possibility of acid rain?

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13) Burning of fossil fuels produces:

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14) The higher level of CO leads to:

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15) The substances which cause air pollution are called:

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16) How many trees are cut down to make toilet paper every day?

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17) How many trees are there in the world?

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18) Which gas is emitted due to volcanic eruption?

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19) Which of the following is a poisonous gas?

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20) Which factor determines the severity of a pollutant?

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21) A pollutant is a waste material that pollutes:

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22) Higher concentration of CO causes:

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23) Which is not a poisonous gas?

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24) Which is not an air pollutant?

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25) Which gas is produced by electrical lightning in air?

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26) Which is not a characteristic of SO₂?

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27) The percentage of SO₂ released by the combustion of coal and petroleum products is:

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28) Carbon monoxide is harmful to us because:

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29) Which one is not found in the exhaust of automobiles?

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30) The world has over 3.04 ...... trees:

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31) Humans can use only ...... of all available water:

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32) ...... of marine mammals are at risk of choking with plastic:

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33) Visibility is reduced because it produces ...... in the air:

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34) Carbon monoxide is a ...... gas:

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35) SOx irritates the:

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36) Fossil fuels contain:

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37) Fossil fuels are responsible for our ...... problem:

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38) Hydrocarbons contain:

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39) How many types of harmful substances account for more than 90% of air pollution?

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40) The concentration of a pollutant is expressed in:

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41) Which gases contribute towards the formation of acid rain?

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42) People of which age groups are most affected by air pollution?

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43) Indicate the source of sulphur which is responsible for the presence of oxides of sulphur in the atmosphere:

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44) Identify the minor constituents of air:

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45) Identify the major constituents of the atmosphere:

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46) The branch of chemistry which deals with the study of chemicals and other pollutants in the environment is called:

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47) The percentage by volume of nitrogen in dry air is:

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48) The envelope of different gases around the earth is called:

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49) 99% of the atmosphere consists of:

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50) Percentage of oxygen gas by volume in dry air is:

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51) Percentage of argon in the atmosphere is:

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52) Percentage of carbon dioxide in the atmosphere is:

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53) Which gas has a higher percentage in the atmosphere?

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54) Percentage of oxygen in the atmosphere is:

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55) Earth is covered with a blanket of air called:

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56) Environmental chemistry is a part of:

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57) Concentration of which gas in the atmosphere is decreased by photosynthesis in plants?

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ZahidNotes – Study Smarter, Live Better: Mental Health & Productivity for Students

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📚 More from ZahidNotes: * 9th Class Chemistry Online Tests – Practice all chapters for board success.

  • 10th Class Tests – Comprehensive MCQ preparation for all subjects.

  • How to become freelancer in Pakistan – Balance your studies with an online income.

  • Online certifications with high salary – Boost your career while you learn.

ZahidNotes – Study Smarter, Live Better: Mental Health & Productivity for Students

Welcome to ZahidNotes – your all-in-one platform for academic success and personal growth. We believe that a healthy mind is the foundation of every achievement. Explore our practical guides designed specifically for Pakistani students.

🧠 Student Mental Health Tips: Exam pressure can feel overwhelming. Learn how to manage anxiety, recognize burnout, and use simple mindfulness techniques to stay strong during the exam season.

🎯 How to Improve Focus in Study: Learn proven methods like the Pomodoro Technique and digital detox strategies to boost your productivity starting today.

Best Study Routine: Discover the best study routine for your schedule—whether you are a Matric, Intermediate, or University student.

📚 More from ZahidNotes: * 9th Class Chemistry Online Tests – Practice all chapters for board success.

  • 10th Class Tests – Comprehensive MCQ preparation for all subjects.

  • How to become freelancer in Pakistan – Balance your studies with an online income.

  • Online certifications with high salary – Boost your career while you learn.