Chemistry

Matter in Our Surroundings

Chemical Formula for daily use material

**Chemical Formula for daily used substances**
Compound Name	Formula	Uses
Acetaminophen	C₈H₉NO₂	pain reliever
Acetic acid	C₂H₄O₂	tart ingredient in vinegar
Ammonia	NH₃	fertilizer, household cleaner when dissolved in water
Ascorbic acid	C₆H₈O₆	vitamin C
Aspirin	C₉H₈O₄	pain reliever
Baking soda	NaHCO₃	cooking
Caffeine	C₈H₁₀N₄O₂	stimulant in coffee, tea, some soda
Calcium carbonate	CaCO₃	antacid
Carbon dioxide	CO₂	carbonating agent in soda
Ethanol	C₂H₅OH	disinfectant, alcoholic beverages
Ethylene glycol	C₂H₆O₂	antifreeze
Hydrochloric acid	HCl	called muriatic acid, cleans mortar from brick
Magnesium hydroxide	Mg(OH)₂	antacid
Methane	CH₄	natural gas, fuel (also called Masrh Gas)
Phosphoric acid	H₃PO₄	flavoring in soda
Potassium tartrate	K₂C₄H₄O₆	cream of tartar, cooking
Propane	C₃H₈	fuel for cooking
Sodium Chloride	NaCl	flavoring (table salt), freezing
Sodium carbonate	Na₂CO₃	washing soda
Sodium hydroxide	NaOH	drain cleaner
Sucrose	C₁₂H₂₂O₁₁	sweetener
Sulfuric acid	H₂SO₄	battery acid
Water	H₂O	washing, cooking, cleaning
Water gas	H₂ + CO	heating and lighting
Gypsum	CaSO₄.H₂O	plaster of paris

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Notes

Matter in Our Surroundings - Notes

1. 9. Non-Metals Have Low Densities.

2. 7. Metals are Solids at the Room Temperature

3. Properties of Metals

4. 3. Non-Metals are Bad Conductors of Heat and Electricity.

5. Concentration of a Solution

6. 2. Metals are Ductile.

7. 3. Separation by a Magnet

8. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.

9. 11. Non-Metals Have Many Different Colours.

10. The Case of Solutions

11. 5. Non-Metals are Generally Soft

12. Elements

13. Non-Metals

14. Impure Substances: Mixtures

15. 8. Metals Generally Have High Melting Points and Boiling Points.

16. Is Matter Around Us Pure

17. 2. Separation by Centrifugation

18. 1. Metals are Malleable.

19. 8. Non-Metals Have Comparatively Low Melting Points and Boiling Points

20. Types of Solutions

21. 6. Separation by Distillation

22. Physical And Chemical Changes

23. To Study the Properties of a Suspension

24. Effect of Temperature and Pressure on Solubility

25. Chemical Formula for daily use material

26. 1. Non-Metals are Not Malleable. Non-Metals are Brittle.

27. Separation of Scrap Iron

28. Supply of Drinking Water in a City

29. properties of a Solution

30. Solutions

31. Properties of a Suspension

32. Pure Substances : Elements and Compounds

33. 3. Metals are Good Conductors of Heat and Electricity.

34. 4. Non-Metals are Not Lustrous (Not Shiny). They are Dull in Appearance.

35. Mixtures

36. Colloids

37. 1. Separation by a Suitable Solvent

38. Solutions, Suspensions And Colloids

39. Metals, Non-Metals and Metalloids

40. Metals

41. 10. Metals are Sonorous.

42. 2. Non-Metals are Not Ductile.

43. Compounds

44. Suspensions

45. 5. Separation by Chromatography

46. Differences Between Mixtures and Compounds

47. Chemical Changes

48. Separation Of Mixture Of a Solid And a Liquids

49. 3. Separation by Evaporation

50. To Separate the Salt-Water Mixture (or Salt-Solution)