Chemistry The gas that usually causes explosions in coal mines is Carbon monoxide Methane Hydrogen Air Carbon monoxide Methane Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Depletion of ozone layer causes Skin cancer Blood cancer Lung cancer Breast cancer Skin cancer Blood cancer Lung cancer Breast cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Biomass Petroleum Coal Lignite Biomass Petroleum Coal Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Animal charcoal Wood charcoal Coconut charcoal Sugar charcoal Animal charcoal Wood charcoal Coconut charcoal Sugar charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry An alloy used in making heating elements for electric heating device is German Silver Nichrome Alloy Steel Solder German Silver Nichrome Alloy Steel Solder ANSWER DOWNLOAD EXAMIANS APP
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