Chemistry Chemical formula of washing soda is Na2SO4.10H2O Na2CO3.10H2O NaHCO3 Ca(OH)2 Na2SO4.10H2O Na2CO3.10H2O NaHCO3 Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Tungsten Platinum Gold Iron Tungsten Platinum Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Carbon Oxygen Nitrogen Calcium Carbon Oxygen Nitrogen Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Corrosion Exfoliation Oxidation Carbonation Corrosion Exfoliation Oxidation Carbonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Parathion Lindane DDT Carbary Parathion Lindane DDT Carbary ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Distilled water Rain water Tap water Ground water Distilled water Rain water Tap water Ground water ANSWER DOWNLOAD EXAMIANS APP
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