1.

Write ally tuDefine isomerism. Draw all isomers of Pentane.How will you extract Zinc from Calamine. Define the process used in eAlso write the reaction involved.Differentiate b/w photosynthesis and Respiration. (3 pointxtres)

Answer» <p>calamineorecanbe used directly in azincsmelter because on heating it also formszincoxide. (2) The impurezincoxidecanbe treated in two ways toextractthezinc: (a) It is roasted in a smelting furnace with carbon (coke, reducing agent) and limestone (to remove the acidic impurities).</p>


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