Chemistry Among the following iron ores, the highest percentage of iron content is found in– Haemetite Limnonite Magnetite None of these Haemetite Limnonite Magnetite None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Activation energy Free energy Internal energy Threshold energy Activation energy Free energy Internal energy Threshold energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 13 days 100 years 0.01 minute 3 billion years 13 days 100 years 0.01 minute ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following Acrylonitrile 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Methyl bromide D.T. Benzene Ethylene ozonide Methyl bromide D.T. Benzene Ethylene ozonide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Galvanization Vulcanization Acceleration Sulphonation Galvanization Vulcanization Acceleration Sulphonation ANSWER DOWNLOAD EXAMIANS APP
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