ఓం శ్రీరాం ఓం శ్రీరాం ఓం శ్రీరాం
ప్రాంజలి
సర్వేజనా సుఖినోభవంతు
1. Which gas is common to all mineral acids?
2. What is the atomic numbner of Oxygen?
3. Urea is produced from which Amino Acid?
4. What is the name of the element whose chemical symbol is Cr?
5. Who is usually credited with the discovery of Oxygen?
6. What are Hydrocarbons?
7. What is rusting of iron?
8. Diamond is an allotropic form of an element. Which is the element?
9. which gas is produced by using Kipp's apparatus?
10. Which are the six rich gases earlier known as inert gases?
11. What are the constituents of Aqua rigia?
12. Which is the laughing gas?
13. Why metals will have high density?
14. what is LPG gas?
15. which metal is extracted from red crystals of Cinnabar?
16. Which is the lightest metal?
17. what are the main constituents of glass?
18. Which is the heaviest metal?
19. what is oxidation?
20 What is reduction?
21. Is carbon dioxide heavier then air?
22. When hydrogen burns in oxygen whtat chemical compound is produced?
23. what is the melting poing of ice?
24. In which year Madam Curie was awarded the Nobel Prize in chimistry and what was her work?
25. Which is the heaviest natural element?
26. Bronze is an alloy. What are its constituents?
27. What is the meling point of gold?
28. In which liquid, ice can be kept so that it do not melt?
29. What is white vitriol?
30. Which is the device used to decompose an atom?
31. What are teh constituents of mild steel?
32. What is the common name for ferrous sulphate?
33. What is the common name for copper Sulphate?
34. What is the comon name for allacetic acid?
35. What is the Chemical name for Gypsum?
36. Which is the acid we find in butter milk?
37. What is the chemical name for rat poison?
38. where can we keep yellow Phosphorus?
39. In which liquid gold dissolves?
40. Which is the element and non metal that is in liquid from ?
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