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Introduction of Magnetism and Matter Index ü   History ü   Definition of Magnets and Magnetism in physics ü   Source of Magnetism or Cause of Magnetism ü   Classes of Magnetic Materials ü   Definition of Matter ü   Different States of Matter ü   Relation between Matter and Magnetism ü   Conclusion ü   Frequently asked Questions (FAQs) History In the ancient world when people started noticing that Lodestones (magnetized pieces of mineral magnetite) was able to attract iron it was then only when the concept of magnetism was introduced. Indian surgeon  Surushastra  was the first person to use magnets for surgical purposes.   Definition of Magnets and Magnetism in physics Magnets:  The ability of an object or a material to produce invisible magnetic field lines in order to develop a force which attracts other ferromagnetic materials such as iron, steel, etc. are known as  Magnets . Magnetism:  Magnetism is a pheno

H 2 SO 4 He Li 2 SO 4 BeSO 4 B esters ROSO 3 − (RO) 2 SO 2 (NH 4 ) 2 SO 4 [N 2 H 5 ]HSO 4 (NH 3 OH) 2 SO 4 NOHSO 4 HOSO 4 F Ne Na 2 SO 4 NaHSO 4 MgSO 4 Al 2 (SO 4 ) 3 Al 2 SO 4 (OAc) 4 Si P SO 4 2− HSO 3 HSO 4 (HSO 4 ) 2 Cl Ar K 2 SO 4 KHSO 4 CaSO 4 Sc 2 (SO 4 ) 3 TiOSO 4 VSO 4 V 2 (SO 4 ) 3 VOSO 4 CrSO 4 Cr 2 (SO 4 ) 3 MnSO 4 FeSO 4 Fe 2 (SO 4 ) 3 CoSO 4 NiSO 4 CuSO 4 Cu 2 SO 4 [Cu(NH 3 ) 4 (H 2 O)]SO 4 ZnSO 4 Ga 2 (SO 4 ) 3 Ge As Se Br Kr RbHSO 4 Rb 2 SO 4 SrSO 4 Y 2 (SO 4 ) 3 Zr(SO 4 ) 2 Nb Mo Tc Ru Rh 2 (SO 4 ) 3 PdSO 4 Ag 2 SO 4 CdSO 4 In 2 (SO 4 ) 3 SnSO 4 Sb 2 (SO 4 ) 3 Te I Xe Cs 2 SO 4 CsHSO 4 BaSO 4 Hf Ta W Re Os Ir Pt AuSO 4 Au 2 (SO 4 ) 3 Hg 2 SO 4 HgSO 4 Tl 2 SO 4 Tl 2 (SO 4 ) 3 PbSO 4 Bi 2 (SO 4 ) 3 Po At Rn Fr Ra Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og ↓ La Ce 2 (SO 4 ) 3 Ce(SO 4 ) 2 Pr 2 (SO 4 ) 3 Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb 2 (SO 4 ) 3 Lu Ac Th Pa U(SO 4 ) 2 UO 2 SO 4 Np Pu Am Cm Bk Cf Es Fm Md No Lr

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Our Objective Our objective is to determine the melting point of an organic compound. The Theory What is the importance of knowing the melting point of organic compounds? The melting point is an important physical property of a compound. The melting point can be used to identify a substance and as an indication of its purity. The melting point of solid is defined as the temperature at which the solid exists in equilibrium with its liquid under an external pressure of one atmosphere. A pure crystalline compound usually possesses a sharp melting point and it melts completely over a narrow range of temperature of not more that 0.5-1 o C. The presence of even small amount of impurities usually produces a depression in the freezing points and shows a marked increase in the width of the melting point range. The melting point range of > 5 o C indicates that the substance is impure. For a material whose identity is known, an estimate of degree of purity can be made by comparing