Class 6 Science MCQs - Chapter 1
Air and Atmosphere Trivia Questions and Answers PDF - 4
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Air and Atmosphere Questions & Answers PDF Download: MCQ Quiz 4
MCQ 16: In fish, respiration takes place through
- gills
- lungs
- throat
- tail
MCQ 17: Air solubility of water is defined as the ability of air to be dissolved in
- space
- container
- gas
- water
MCQ 18: Rust is actually
- iron oxide
- hydro oxide
- nitro oxide
- none of them
MCQ 19: When a gas is cooled or compressed it becomes a
- solid
- gas
- liquid
- semi-solid
MCQ 20: The mixture important for human life and combustion is
- carbon
- air
- zinc
- nitrogen
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Air and Atmosphere MCQ Book Questions
- Compared to the temperature, more oxygen is present in
- Microorganisms also help in production of food like
- Main constituent in air is
- Relation between two populations that benefits both is known as
- Consuming untreated river or stream water may lead to
- A lot of heat energy and light energy is given off by a