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  2. Sijil Pelajaran Malaysia - Wikipedia

    en.wikipedia.org/wiki/Sijil_Pelajaran_Malaysia

    The Sijil Pelajaran Malaysia (SPM), or the Malaysian Certificate of Education, is a national examination sat for by all Form 5 secondary school students in Malaysia.It is the equivalent of the General Certificate of Secondary Education (GCSE) of England, Wales and Northern Ireland; the Nationals 4/5 of Scotland; and the GCE Ordinary Level (O Level) of the Commonwealth of Nations.

  3. Malaysian Higher School Certificate - Wikipedia

    en.wikipedia.org/wiki/Malaysian_Higher_School...

    STPM is one of the major pre-university systems for admissions to Malaysian public universities, besides the Malaysian Matriculation Programme and the Malaysian Higher Islamic Religious Certificate (STAM). STPM is internationally recognised by many universities, and the results are considered as equivalent to GCE Advanced Level results. STPM is ...

  4. List of unsolved problems in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Enzyme kinetics: Why do some enzymes exhibit faster-than-diffusion kinetics? [13]Protein folding problem: Is it possible to predict the secondary, tertiary and quaternary structure of a polypeptide sequence based solely on the sequence and environmental information?

  5. Chemistry - Wikipedia

    en.wikipedia.org/wiki/Chemistry

    Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.

  6. Aqueous solution - Wikipedia

    en.wikipedia.org/wiki/Aqueous_solution

    [1] [2] As water is an excellent solvent and is also naturally abundant, it is a ubiquitous solvent in chemistry. Since water is frequently used as the solvent in experiments, the word solution refers to an aqueous solution, unless the solvent is specified. [3] [4] A non-aqueous solution is a solution in which the solvent is a liquid, but is ...

  7. Nomenclature of Organic Chemistry - Wikipedia

    en.wikipedia.org/wiki/Nomenclature_of_Organic...

    Both of these are now out-of-print in their paper versions, but are available free of charge in electronic versions. After the release of a draft version for public comment in 2004 [ 3 ] and the publication of several revised sections in the journal Pure and Applied Chemistry , a fully revised edition was published in print in 2013 [ 4 ] and ...

  8. Faraday's laws of electrolysis - Wikipedia

    en.wikipedia.org/wiki/Faraday's_laws_of_electrolysis

    Faraday discovered that when the same amount of electric current is passed through different electrolytes connected in series, the masses of the substances deposited or liberated at the electrodes are directly proportional to their respective chemical equivalent/equivalent weight (E). [3]

  9. Chukka Ramaiah - Wikipedia

    en.wikipedia.org/wiki/Chukka_Ramaiah

    [2] [3] He is known as "IIT Ramaiah" [4] for teaching at IIT Study Circle, an IIT JEE coaching centre at Nallakunta, Hyderabad. He was a leading Telangana activist . [ 5 ]

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