Chemistry The gas used to extinguish fire is Nitrogen Carbon dioxide Carbon monoxide Neon Nitrogen Carbon dioxide Carbon monoxide Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following 1,3-butadiene Acrylonitrile 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene 1,3-butadiene Acrylonitrile 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnalium is an alloy of Manganese and Magnesium Magnesium and Tin Aluminium and Zinc Aluminium and Magnesium Manganese and Magnesium Magnesium and Tin Aluminium and Zinc Aluminium and Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Magnetite Limonite Siderite Haematite Magnetite Limonite Siderite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is ozone helium methane oxygen ozone helium methane oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is vinyl chloride ethyl alcohol ethylene None of these vinyl chloride ethyl alcohol ethylene None of these ANSWER DOWNLOAD EXAMIANS APP
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