Class 7 Science Online Tests
Burning Fuels MCQ (Multiple Choice Questions) PDF Download
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Burning Fuels MCQs PDF: Questions Answers Download
Wood is a
- fuel
- alkane
- alkene
- coal
Burning hydrocarbons produce
- water
- carbon dioxide
- water and carbon
- water and carbon dioxide
For combustion, the required gas is
- carbon dioxide
- nitrogen
- hydrogen
- oxygen
Most of the fuels such as petroleum has
- carbohydrates
- fats
- hydrocarbons
- metals
The compounds made up of hydrogen and carbon are known as
- carbohydrates
- hydrocarbons
- alkanes
- alkenes
Class 7 Science Practice Tests
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