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