Monday, 7 January 2019

Science & Technology Questions and Answers Set 1

Science & Technology Questions and Answers Set 1


1. What is the solvent of Gold?
Answer 👉 Aquaregia


2. Who is the maker of the iPhone?
Answer 👉 Apple
iPhone


3. A type glass that is highly resistant to heat?
Answer 👉 Borosilicate Glass


4. "Don't be evil" is tagline of?
Answer 👉 Google


5. Which metal is used in the making of Microchips?
Answer 👉 Silicon


6. Which Vitamin known as Niacin?
Answer 👉 Vitamin B3


7. Which one is the first search engine in Internet?
Answer 👉 Archic


8. Which country in the world has maximum number of Robots working?
Answer 👉 Japan


9. Which is known as White Poison?
Answer 👉 Sugar


10. Which heavy metal causes Itai Itai disease?
Answer 👉 Cadmium


11. Mac OS is developed by which company?
Answer 👉 Apple


12. Which gases cause Acid Rain?
Answer 👉 Sulphur Dioxide, Nitrogen Oxide


13. World's first Microprocessor is?
Answer 👉 Intel 4004


14. What is the chemical name of Baking Soda?
Answer 👉 Sodium Bicarbonate


15. Who first used Radio Waves transmit the human voice?
Answer 👉 Reginald Fessenden


16. What is the name of the instrument that measures Wind Speed?
Answer 👉 Anemometer


17. Who is regarded as "Father of Wi-Fi"?
Answer 👉 Vic Hayes


18. Which chemical assed to make Toothpastes white?
Answer 👉 Titanium Dioxide


19. When was the first Smart Phone launched?
Answer 👉 1992


20. Who invented Periodic Table?
Answer 👉 Dmitri Mendeleev


21. Fire Wall in computer is used for?
Answer 👉 Security


22. Electricity produced from falling water known as?
Answer 👉 Hydroelectricity


23. Who invented the Radio?
Answer 👉 Guglielmo Marconi


24. Which type of plastics can be recycled?
Answer 👉 Thermoplastic


25. Which chemical is called Chile Salt Peter?
Answer 👉 Sodium Nitrate

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