PPSC Test mcqs of physics SET 2

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1. What will be the resultant color if we add all the colors of the rainbow?



2. An instrument used to measure gas pressure is called:



3. If we add salt to pure water, its boiling point will:



4. The boiling point of alcohol is:



5. Which color is formed when we combine red, green, and blue?



6. The heating elements in electric kettles and irons are made up of:



7. Air temperature is lower at high altitude than at sea level. What happens to the boiling point of water?



8. What type of process is evaporation?



9. On which two processes does a refrigerator work?



10. The melting point of ice becomes lower if pressure:



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