Class 7 Science MCQs - Chapter 17
Physical and Chemical Changes Multiple Choice Questions (MCQs) PDF Download - 13
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The Physical and chemical changes Multiple Choice Questions (MCQs) with Answers PDF (physical and chemical changes MCQs PDF e-Book) download Ch. 17-13 to study Grade 7 Science Course. Learn Physical and Chemical Changes Quiz Questions and Answers to study e-learning courses. The Physical and Chemical Changes MCQs App Download: Free learning app for polythene, burning fuels, methane, solids liquids and gases test prep for online education.
The MCQ: 'Ethene' is; "Physical and Chemical Changes" App Download (Free) with answers: Alkene; Alkane; Alcohol; Carboxylic acid; to study e-learning courses. Solve Polythene MCQ Questions, download Google eBook (Free Sample) for virtual online school.
Physical and Chemical Changes MCQs with Answers PDF Download: Quiz 13
'Ethene' is
- alkane
- alkene
- alcohol
- carboxylic acid
Most of the fuels such as petroleum has
- carbohydrates
- fats
- hydrocarbons
- metals
Molecules in high density polythene are
- closely packed than low density polythene
- far apart than in low density polythene
- more vigorous than in low density polythene
- more violent than in low density polythene
Generally methane gas is known as
- compressed gas
- liquid gas
- natural gas
- artificial gas
Gases are
- incompressible
- compressible
- colorful
- dense than liquids and solids
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Physical and Chemical Changes MCQ Book Questions
- To make coil keep rotating, current is reversed after every half turn by a device called
- Small creatures that breakdown decayed matter into further smaller pieces are called
- Chloride ion has number of protons
- Enzymes that digest fats are known as
- Thin flexible glass rods to transfer data from one region to another are known as