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💖 Biological____Science💓



1.What is the chemical name of Vitamin E?
🅰️Alpha tocopherol
2. Which Vitamin is also known as retinol?
🅰️Vitamin A
 3. What is Calciferol?
🅰️Vitamin D
4. What is the other name of thiamine?
🅰️Vitamin B1
 5. Which Vitamin is called niacin?
🅰️Vitamin B3
6. Which element is excreted through human sweat?
🅰️Sulphur
7. Pollution of water bodies by which element causes Minamata disease?
🅰️Mercury
8. Accumulation of which chemical leads to kidney stones?
🅰️Calcium Oxalate
9. Which heavy metal causes Itai Itai disease?
🅰️Cadmium
10. Which chemical was used earlier for giving anesthesia to patients?
🅰️Diethyl ether
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. Which chemical is used to make rain coats?
🅰️Poly Vinyl Chloride(PVC)
22. Which type of plastics can be recycled?
🅰️Thermoplastics
23. What is the name given to plastics that cannot be recycled?
🅰️Thermosetting plastics
24. Which element is a liquid at ordinary temperature?
🅰️Mercury
25. What is the chemical name of baking soda?
🅰️Sodium bicarbonate
26. What is sodium carbonate commonly known as?
🅰️Washing soda or soda ash
27. What is sodium chloride?
🅰️Table salt
28 What is table sugar?
🅰️Cane sugar (Sucrose)
 29. What is the element present on lead pencils?
🅰️Carbon (graphite)
30. Which gas is found in soda water?
🅰️Co2

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