Chemistry Which among the following elements is found in maximum percentage in the human body ? Oxyzen Nitrozen Carbon Hydrogen Oxyzen Nitrozen Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is nicotine chlorophyll caffeine aspirin nicotine chlorophyll caffeine aspirin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Sugar charcoal Wood charcoal Coconut charcoal Animal charcoal Sugar charcoal Wood charcoal Coconut charcoal Animal charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Magnetite Pyrolusite Galena Siderite Magnetite Pyrolusite Galena Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to 3-methyl octane n-heptane iso-octane 2-methyl octane 3-methyl octane n-heptane iso-octane 2-methyl octane ANSWER DOWNLOAD EXAMIANS APP
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