Chemistry The material used in the manufacture of lead pencil is Mica Graphite Carbon Lead Mica Graphite Carbon Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Silicosis Reduced crop yield Respiratory diseases (e.g.asthma) Cancer Silicosis Reduced crop yield Respiratory diseases (e.g.asthma) Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Vulcanization Galvanization Zinc plating Alloy formation Vulcanization Galvanization Zinc plating Alloy formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant rare gas in the atmosphere is Ar Xe Ne He Ar Xe Ne He ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Ozone gas Carbon Monoxide Methane Carbon dioxide Ozone gas Carbon Monoxide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Benzene Anthracene Naphthalene Furan Benzene Anthracene Naphthalene Furan ANSWER DOWNLOAD EXAMIANS APP
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