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. 11. Metals Usually Have a Silver or Grey Colour

2. The Case of a Liquid Solute Dissolved in a Liquid Solvent

3. Saturated And Unsaturated Solutions

4. 3. Separation by a Magnet

5. 5. Non-Metals are Generally Soft

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7. 2. Non-Metals are Not Ductile.

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

9. 1. Separation by a Suitable Solvent

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

11. 6. Metals are Usually Strong. They Have High Tensile Strength.

12. To Prepare a Saturated Solution

13. Types of Solutions

14. Suspensions

15. 2. Separation by Centrifugation

16. Concentration of a Solution

17. Solubility

18. Chemical Formula for daily use material

19. Is Matter Around Us Pure

20. Colloids

21. 9. Metals Have High Densities.

22. Properties of Non-Metals

23. Separation OF Mixtures

24. To Study the Properties of a Compound of Iron and Sulphur

25. 5. Metals are Generally Hard

26. The Case of Alloys

27. 2. Metals are Ductile.

28. 4. Metals are Lustrous (or Shiny), and can be Polished.

29. Non-Metals

30. To Separate a Mixture of Alcohol and Water

31. To Study the Properties of a Solution

32. 10. Metals are Sonorous.

33. Physical Changes

34. 7. Metals are Solids at the Room Temperature

35. 10. Non-Metals are Not Sonorous.

36. To Study the Properties of a Suspension

37. Chemical Changes

38. 6. Separation by Distillation

39. Properties of Metals

40. Metalloids

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

42. Separation of Scrap Iron

43. 9. Non-Metals Have Low Densities.

44. The Case of Solutions

45. Properties of Colloids

46. Separation of Mixture Of Two Solids

47. 1. Metals are Malleable.

48. 6. Non-Metals are Not Strong. They Have Low Tensile Strength.

49. Mixtures

50. 3. Separation by Evaporation