Chemistry Mercury is emitted into air by Burning coal Burning garbage Steam engine Coal fire Burning coal Burning garbage Steam engine Coal fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Zinc Lead Copper Mercury Zinc Lead Copper Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Cadmium Copper Lead Chromium Cadmium Copper Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Peat Lignite Anthracite Bitumen Peat Lignite Anthracite Bitumen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Propylene Ethylene Acetylene Methane Propylene Ethylene Acetylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Polyvinyl Chloride Nylon Methyl Methacrylate Polythene Polyvinyl Chloride Nylon Methyl Methacrylate Polythene ANSWER DOWNLOAD EXAMIANS APP
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