Chemistry Heating of a ore below its melting point in the absence of air is known as Refining Smelting Calcination Roasting Refining Smelting Calcination Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Tin Chromium Zinc Copper Tin Chromium Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Diamond Napthalene Teflon Graphite Diamond Napthalene Teflon Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Petroleum Coal Natural Gas Geothermal energy Petroleum Coal Natural Gas Geothermal energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Digestion of food Burning of paper Conversion of water into steam Burning of coal Digestion of food Burning of paper Conversion of water into steam Burning of coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomers of dacron are Decane and decanol Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decanone and decanol Decane and decanol Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decanone and decanol ANSWER DOWNLOAD EXAMIANS APP