) An unknown substance ‘A’ on thermal decomposition produces ‘B’ and ‘C’. What is ‘A’—an element, a compound or a mixture? (ii) Identify the elements from the following substances: sulphur, brine, hydrochloric acid, water, neon, paper, sugar. (iii) Give an example of metalloid. (iv) What type of mixture is formed by adding sulphur powder in Carbon disulphide (v) Is the composition of a homogeneous mixture always fixed.
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Carboxyhemoglobin or carboxyhaemoglobin (symbol COHb or HbCO) is a stable complex of carbon monoxide and hemoglobin (Hb) that forms in red blood cells upon contact with carbon monoxide (CO). ... CO is produced in normal metabolism and is also a common chemical.
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