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शनिवार, 29 जुलाई 2017

Science General Knowledge, GK Question and Answer, GK Quiz @ ssc.nic.in

Science General Knowledge, GK Question and Answer, GK Quiz @ ssc.nic.in


1. Which chemical is used to make rain coats?
Poly Vinyl Chloride(PVC)


2. Which type of plastics can be recycled?
Thermoplastics


3. What is the name given to plastics that cannot be recycled?
Thermosetting plastics


4. Which element is a liquid at ordinary temperature?
Mercury


5. What is the chemical name of baking soda?
Sodium bicarbonate


6. What is sodium carbonate commonly known as?
Washing soda or soda ash


7. What is sodium chloride?
Table salt


8 What is table sugar?
Cane sugar (Sucrose)


9. What is the element present on lead pencils?
Carbon (graphite)


10. Which gas is found in soda water?
Carbon dioxide?

11. Who is honored as Father of Modern Chemistry?
Antoine Lavoisier


12. Who invented periodic table?
Dmitri Mendeleev


13. Which is the most abundant gas in the earth's atmosphere?
Nitrogen (78.08%)


14. Which gas evolved from  paddy fields and marshes?
Methane


15. Which toxic element present in automobile exhausts?
Lead


16. Which gases cause acid rain?
Sulphur dioxide, Nitrogen oxides


17. Which metal is used in the making of microchips?
Silicon


18. What is the toxicity caused by silicon called?
Silicosis


19. Which polymer is used to manufacture electric switches, computer disks etc.?
Bakelite




20. With which polymer, the cabinets of radio and TV made of?
Polystyrene

21. What is the solvent of gold?
Aquaregia


22. Name the chemical assed to make tooth pastes white?
Titanium dioxide


23. Which chemical is the reason behind the brown colour of human faces?
Bilirubin


24. Which chemical is called Chile Salt peter?
Sodium Nitrate


25. What is marsh gas?
Methane


26. What is the chemical name of Chinese salt?
Monosodium glutamate


27. Which is the purest form of carbon?
Graphite


28. Which is called white poison?
Sugar


29. Which is the simplest sugar?
Glucose


30. What is the biological polymer in paper?
Cellulose

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