What is a major source of atmospheric sulphur oxides?
- Burning sulphur-containing fossil fuels
- Photosynthesis
- Digestion alone
- Condensation of pure water
Answer / جواب
Burning sulphur-containing fossil fuels
Class 9 Chemistry Chapter 10 MCQs — Environmental Chemistry
Class 9 Chemistry · Chapter 10 · Retained syllabus for Annual 2027
Practise this chapter online, check each answer and review your result. The current bank contains 6 objective questions for this chapter and medium.
Sample practice questions
Which gas is removed from the atmosphere by photosynthesis?
- Carbon dioxide
- Oxygen
- Nitrogen
- Argon
Answer / جواب
Carbon dioxide
Which age groups are especially vulnerable to polluted air?
- Children and older people
- Only young adults
- Only middle-aged people
- Only athletes
Answer / جواب
Children and older people
Near which area is acid-rain risk often greatest?
- An industrial area emitting sulphur and nitrogen oxides
- A remote clean-water lake
- An unpolluted village
- A pollution-free forest
Answer / جواب
An industrial area emitting sulphur and nitrogen oxides
Printable practice
Use custom mode for a chapter paper. Board Annual mode uses the complete prescribed syllabus and published question distribution for supported subjects.