In oxygen or air diamond burns at about 850°, and only continues to do so if maintained at a high temperature; but in the absence of oxidising agents it may be raised to a much higher temperature. [Please select]
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Again, by oxidising phenol with oxalic acid and vitriol, we get a colour dyeing silk orange, namely, Aurin, HO. [Please select]
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This does not exert any action on the colouring matter, and hence this mordant is known as the non-oxidising mordant. [Please select]
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For this purpose either energetically reacting, oxidising reducing agents are applied. [Please select]
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It is observed that this condition under which any tree may yield rapidly oxidising latex is not a permanent one. [Please select]
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The most usual oxidising agent employed for dyeing aniline black is bichromate of soda, which salt will be found much better for all purposes than bichromate of potash. [Please select]
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, leads to a destructive effect, and, therefore, the production of weak shades, so that it is not possible always to use an oxidising mordant. [Please select]
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