Class 7 Science MCQs - Chapter 17
Physical and Chemical Changes Quiz Questions & Answers PDF Download - 3
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Physical and Chemical Changes Exam Questions and Answers PDF Download: Test 3
The least intermolecular forces are found in
- solids
- liquids
- gases
- fluids
In electric field, "PVC" is used to make
- pipes
- wire cover
- tungsten wire
- switches
The material which John Hyatt used for his artificial ivory, was
- complex
- chromatid
- celluloid
- diplex
At the end of reaction, catalyst
- vanishes
- is used up
- remains unchanged
- resizes
As compare to low density polythene, the high density polythene is
- weak
- strong
- rough
- soft
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Physical and Chemical Changes MCQ Book Questions
- As compare to air, sound travels faster in
- A force which occurs when two surfaces come in contact and slows down motion while acting in
- Formula that shows number and kind of atoms which a substance of a molecule contained, is known as
- Movement of particles from an area of higher concentration to an area of lower concentration is called
- Electrolyte used in purification of copper is