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  2. GCE Ordinary Level in Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/GCE_Ordinary_Level_in_Sri...

    Candidates who receive a grade of ‘W’ are considered failed in that particular subject. To be able to pass is to at least have a ‘S’ in the mandatory 6 subjects and if you fail all of the optional subjects but pass the 6 mandatory then you can still pass but if you get a ‘W’ in any of the mandatory subjects it is a immediate fail.

  3. Sri Lankan units of measurement - Wikipedia

    en.wikipedia.org/wiki/Sri_Lankan_units_of...

    The smallest unit was known as "Paramaanuwa", which was equal to 3.306 × 10 −11 m (1.302 × 10 −9 in). A typical span was taken roughly equal to 22.86 cm (9 in). These small units of measurement were used in making of statues and buildings. Following are the relationships between the units used in ancient times. [6] [7]

  4. GCE Advanced Level in Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/GCE_Advanced_Level_in_Sri...

    Students in Grade 13 had the second-highest depression and anxiety scores, with examination-related issues being the most commonly cited problem. Of the 445 students assessed, 22.9% of Grade 12 students and 28.6% of Grade 13 students reportedly had severe depression , while 28.6% of Grade 12 students and 32.1% of Grade 13 students experienced ...

  5. Hexane - Wikipedia

    en.wikipedia.org/wiki/Hexane

    Hexane (/ ˈ h ɛ k s eɪ n /) or n-hexane is an organic compound, a straight-chain alkane with six carbon atoms and the molecular formula C 6 H 14. [ 7 ] Hexane is a colorless liquid, odorless when pure, and with a boiling point of approximately 69 °C (156 °F).

  6. Petroleum benzine - Wikipedia

    en.wikipedia.org/wiki/Petroleum_benzine

    These results suggest that other components found in petroleum benzine may have additive, synergistic or potentiative effects on the biological effects of n-hexane. [7] Namely, 1000 ppm n-hexane, 3000 ppm n-heptane, and 1000 ppm toluene were reported to have depressing effects on the body weight gain of rats. [8]

  7. Hexyllithium - Wikipedia

    en.wikipedia.org/wiki/Hexyllithium

    n-Hexyllithium, C 6 H 13 Li, sometimes abbreviated to HxLi or NHL, is an organolithium compound used in organic synthesis as a strong base or as a lithiation reagent. It is usually encountered as a colorless or pale yellow solution in hexanes. Such solutions are highly sensitive to air and can ignite when treated with water.

  8. Madura English–Sinhala Dictionary - Wikipedia

    en.wikipedia.org/wiki/Madura_English–Sinhala...

    Madura English–Sinhala Dictionary (Sinhala: මධුර ඉංග්‍රීසි–සිංහල ශබ්දකෝෂය) is a free electronic dictionary service developed by Madura Kulatunga.

  9. Hexane (data page) - Wikipedia

    en.wikipedia.org/wiki/Hexane_(data_page)

    Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... of n-Hexane/n-Heptane [5] P = 101.0 kPa BP Temp. °C

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