Air and Processes MCQs Quiz Worksheet PDF Download
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MCQs on Air and Processes Quiz PDF Download
MCQ. Breathing is a process that refers to inhaling and exhaling of
MCQ. Process of burning under presence of oxygen is known as
MCQ. Intake of carbon dioxide and giving out of oxygen is only process named
MCQ. In fish, respiration takes place through
MCQ. Rust is actually
- iron oxide
- hydro oxide
- nitro oxide
- none of them