Skip to main content

πŸ’– Biological____ScienceπŸ’“



1.What is the chemical name of Vitamin E?
πŸ…°️Alpha tocopherol
2. Which Vitamin is also known as retinol?
πŸ…°️Vitamin A
 3. What is Calciferol?
πŸ…°️Vitamin D
4. What is the other name of thiamine?
πŸ…°️Vitamin B1
 5. Which Vitamin is called niacin?
πŸ…°️Vitamin B3
6. Which element is excreted through human sweat?
πŸ…°️Sulphur
7. Pollution of water bodies by which element causes Minamata disease?
πŸ…°️Mercury
8. Accumulation of which chemical leads to kidney stones?
πŸ…°️Calcium Oxalate
9. Which heavy metal causes Itai Itai disease?
πŸ…°️Cadmium
10. Which chemical was used earlier for giving anesthesia to patients?
πŸ…°️Diethyl ether
11. Who is honored as Father of Modern Chemistry?
πŸ…°️Antoine Lavoisier
12. Who invented periodic table?
πŸ…°️Dmitri Mendeleev
13. Which is the most abundant gas in the earth's atmosphere?
πŸ…°️Nitrogen (78.08%)
14. Which gas evolved from  paddy fields and marshes?
πŸ…°️Methane
15. Which toxic element present in automobile exhausts?
πŸ…°️Lead
16. Which gases cause acid rain?
πŸ…°️Sulphur dioxide, Nitrogen oxides
17. Which metal is used in the making of microchips?
πŸ…°️Silicon
18. What is the toxicity caused by silicon called?
πŸ…°️Silicosis
19. Which polymer is used to manufacture electric switches, computer disks etc.?
πŸ…°️Bakelite
20. With which polymer, the cabinets of radio and TV made of?
πŸ…°️Polystyrene
21. Which chemical is used to make rain coats?
πŸ…°️Poly Vinyl Chloride(PVC)
22. Which type of plastics can be recycled?
πŸ…°️Thermoplastics
23. What is the name given to plastics that cannot be recycled?
πŸ…°️Thermosetting plastics
24. Which element is a liquid at ordinary temperature?
πŸ…°️Mercury
25. What is the chemical name of baking soda?
πŸ…°️Sodium bicarbonate
26. What is sodium carbonate commonly known as?
πŸ…°️Washing soda or soda ash
27. What is sodium chloride?
πŸ…°️Table salt
28 What is table sugar?
πŸ…°️Cane sugar (Sucrose)
 29. What is the element present on lead pencils?
πŸ…°️Carbon (graphite)
30. Which gas is found in soda water?
πŸ…°️Co2

Comments