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Introduction MCQs

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1. The study of the nature of matter is called





2. The word "Chyma" means





3. The practical form of technology is called





4. Technology is concerned with the transmission of electricity and its allied instruments





5. A ________ is one whose size is internationally agreed





6. There are systems of units of measurement in force in the world





7. The unit of length in SI system is





8. The unit of amount of substance is called





9. The unit of temperature in SI system is





10. Units of those physical quantities that can be derived from basic units are called





11. The mass per unit volume of a substance is called





12. The unit of density is





13. The unit of quantity of electricity is called





14. 1 meter is equal to ______ inches





15. There are ______ seconds in one solar day





16. That branch of science which deals with properties, composition and structure of matter is called





17. The word chemistry is derived from the word “Kheem”





18. The use of ______ is in vogue since times of ancient Greeks





19. The unit of intensity of light is called





20. The distance that light travels in 3 × 10⁻⁸ seconds is called





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