Chemistry Which of the following elements is obtained from sea weeds ? Sulphur Iodine Vanadium Argon Sulphur Iodine Vanadium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Carbon dioxide Carbon monoxide Ozone Water vapour Carbon dioxide Carbon monoxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Zinc Cadmium Copper Graphite Zinc Cadmium Copper Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Adding a catalyst Increasing the concentration of a reactant Increasing the temperature Increasing the concentration of a product Adding a catalyst Increasing the concentration of a reactant Increasing the temperature Increasing the concentration of a product ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following 2-methyl 1, 3-butadiene 1,3-butadiene 2-chloro-1, 3-butadiene Acrylonitrile 2-methyl 1, 3-butadiene 1,3-butadiene 2-chloro-1, 3-butadiene Acrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Silicon Magnesium Sulphur Phosphorous Silicon Magnesium Sulphur Phosphorous ANSWER DOWNLOAD EXAMIANS APP
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