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2. Liquid chalk - Wikipedia

   en.wikipedia.org/wiki/Liquid_chalk

   The term liquid chalk, or sharkchalk, refers to several different kinds of liquified chalk including liquid-chalk marking pens (with water-soluble ink), liquid-chalk mixtures (for athletic use: rock climbing, weightlifting, gymnastics), and liquid-chalk hobby-craft paints made of cornstarch and food coloring (some with small amounts of flour).

3. List of alchemical substances - Wikipedia

   en.wikipedia.org/wiki/List_of_alchemical_substances

   Bitumen – highly viscous liquid or semi-solid form of petroleum. Blende; Brimstone – sulfur; Flowers of sulfur – formed by distilling sulfur. Caustic potash/caustic wood alkali – potassium hydroxide, formed by adding lime to potash. Caustic Soda/caustic marine alkali – sodium hydroxide, NaOH, formed by adding lime to natron.

4. Novichok - Wikipedia

   en.wikipedia.org/wiki/Novichok

   The median lethal dose for inhaled A-230, likely the most toxic liquid Novichok, has been estimated as between 1.9 and 3 mg/m 3 for two minute exposure. Thus the median lethal dose for inhaled A-234 is 0.2 mg (5000 lethal doses in a gram) and is below 0.1 mg for A-230 (10 000 lethal doses in a gram).

5. Gesso - Wikipedia

   en.wikipedia.org/wiki/Gesso

   A restored gesso panel representing St. Martin of Tours, from St. Michael and All Angels Church, Lyndhurst, Hampshire. Gesso (Italian pronunciation:; 'chalk', from the Latin: gypsum, from Greek: γύψος), also known as "glue gesso" or "Italian gesso", [1] is a white paint mixture used to coat rigid surfaces such as wooden painting panels or masonite as a permanent absorbent primer substrate ...

6. Glowmatography - Wikipedia

   en.wikipedia.org/wiki/Glowmatography

   The liquid is then allowed to travel up the chalk; polar dyes would tend to stick to the chalk and not travel significantly while non-polar dyes would travel up with the solvent. Once it travels almost to the top of the chalk, it is removed from the beaker. The chalk chromatogram, with separation of colours, can then be observed in a dark room. [2]

7. Talk:Chalk - Wikipedia

   en.wikipedia.org/wiki/Talk:Chalk

   is chalk a salt? because i read a book saying it is so but my teacher disagree\-from aldeen of sci-tech-- 06:33, 31 July 2006 58.69.61.146 Yes in fact. Chalk is a salt. Blackboard chalk is Calcium carbonate whereas gym chalk is Magnesium Carbonate. A salt is any compound that results from a neutralization reaction (acid-base reaction).