Class 7 Science MCQs - Chapter 17
Physical and Chemical Changes Multiple Choice Questions (MCQs) PDF Download - 25
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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. 17-25 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 ammonia and fertilizers, making plastics, polythene, iron and sulphur, solids liquids and gases test prep for online certifications.
The MCQ: One of the main components of fertilizers is; "Physical and Chemical Changes" App Download (Free) with answers: Chlorine; Ammonia; Hydrogen; Methane; to study e-learning courses. Solve Ammonia and Fertilizers MCQ Questions, download Google eBook (Free Sample) for distance education.
Physical and Chemical Changes MCQs with Answers PDF Download: Quiz 25
One of the main components of fertilizers is
- ammonia
- chlorine
- hydrogen
- methane
Other than carbon and hydrogen, finished plastic may contain
- nitrogen and phosphorus
- nitrogen and oxygen
- sulphur and iron
- magnesium and nitrogen
The texture of 'polythene' is
- hard and rough
- hard and smooth
- soft and rough
- soft and smooth
Iron sulfide cannot be separated by magnet because iron and sulphur are now
- physically bonded
- chemically bonded
- biologically bonded
- organically bonded
Compared to liquids, solids are
- incompressible
- compressible
- more compressible than liquids
- less compressible than liquids
Class 7 Science Mock Tests
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