Chemistry Important Questions Part - 3
Sunday, 3 February 2019
Chlorine
2. Which rays will deflect in electric field?
Cathode rays
3. Most of hydrocarbons from petroleum are obtained by which method?
Fractional distillation
4. The mass-energy relation is the outcome of which theory?
Special theory of relativity
5. If the atmosphere is cooled, what is its capacity for water vapour?
Lowered
6. Which alloy used in making heating elements for electric heating devices?
Nichrome
7. Which purified oil does Aviation fuel for jet aeroplanes consist?
Kerosene
8. Which metal is used for generation of Nuclear Power?
Uranium
9. Anantapur district in Andhra Pradesh is famous for which metal?
Gold
10. Silver is obtained from the lead & Zinc ares of Zawar mines in which city?
Udaipur
11. Which is the best conductor of electricity?
Silver
12. Through which material does sound travel slowest?
Wood
13. Most of the plants obtain nitrogen from the soil in which from?
Nitrates
14. Which polymer is used for making bulletproof material?
Polyethylene
15. By which the maximum amount of energy in the present day world is provided?
Coal
16. The first law of thermodynamics is concerned with the conservation of which
thing?
Energy
17. Which country is rich in oil?
Indonesia
18. Which are macro-nutrients provided by inorganic fertilizers?
Nitrogen, phosphorus and potassium
19. What is the average salt content in a litre of sea water?
35 gm
20. In which Tyndall effect is not observed?
Sugar solution
21. Which is Nuclease enzyme begin its attack from free end of polynucleotide?
Exonuclease
22. Which is electrical circuits used to get smooth the output from a rectified circuit called?
Filter
23. Which soil is best suited for cotton?
Regur
24. Why is the yellow colour of urine?
Due to the presence of urochrome
25. Which stare is the largest producer of coffee?
Karnataka
26. Which enzyme changes maltose into glucose?
Maltose
27. Which planet has the longest day and the shortest year?
Mercury
28. Which polymer is widely used for making bullet proof material?
Polyethylene
29. Which three important micronutrients are essential for humans?
Copper, zinc and iodine
30. What is the name given to an almost circular coral reef inside which there is a lagoon?
Atoll
