Science Quiz / MCQs
Q 11. Aspirin can be found in many household medicine cabinets, But what is it chemically?
a) Ibuprofen b) Acetylsalicylic acid c) Acetaminophen d) Paracetamol
Q 12. What are three types of lasers?
a) Gas, solid state, diode b) Pointer, diode, CD c) Diode, inverted, pointer d) Gas, metal vapor, rock
Q 13. Once the active medium is excited, the first photons of light are produced by which physical process?
a) Blackbody radiation b) Planck's oscillation c) Synchrotron radiation d) Spontaneous emission
Q 14. If you wanted to lighten your hair at home, what is the active ingredient in the dye preparation that will lighten your hair?
a) Phenol b) Hydrogen peroxide c) Sodium hydroxide d) Acetic acid
Q 15. Coal is formed due to the process of__________?
a) Evaporation b) Conjugation c) Centrifugation d) Carbonization
Q 16. Where was the first oil well struck in the world?
a) Kuwait b) Australia c) Saudi Arabia d) USA
Q 17. Which variety of coal contains the highest percentage of carbon?
a) Peat b) Lignite c) Anthracite d) Bituminous
Q 18. Electron Volt is the unit of:_________?
a) Energy b) Potential c) Charge d) Electricity
Q 19. Kwh is the unit of:_________?
a) Speed b) Velocity c) Energy d) Power
Q 20. Which device transform mechanical energy to electric energy?
a) Stablizer b) Alternator c) Motor d) Transformer