Chemistry Which of the following is colourless ? Sulphur Phosphorus Chlorine Oxygen Sulphur Phosphorus Chlorine Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Ethers Alcohols Aldehydes Esters Ethers Alcohols Aldehydes Esters ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Zinc Silver Aluminium Copper Zinc Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Cream and cake Plum and pudding Plum and cake Cream and pudding Cream and cake Plum and pudding Plum and cake Cream and pudding ANSWER DOWNLOAD EXAMIANS APP
Chemistry Physico-chemical characteristics of water in water sources undergo changes due to Auatic fungi Evapotranspiration Effluents Aquatic macrophytes Auatic fungi Evapotranspiration Effluents Aquatic macrophytes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Methane emission Deforstation Carbondioxide emission CFC emission Methane emission Deforstation Carbondioxide emission CFC emission ANSWER DOWNLOAD EXAMIANS APP
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