Chemistry The most abundant metal in the Earth’s crust is Iron Aluminium Copper Zinc Iron Aluminium Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 1 KJ 39 KJ 30 KJ 29 KJ 1 KJ 39 KJ 30 KJ 29 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Infra-red rays Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays Cosmic rays. All radiations of Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Coconut charcoal Animal charcoal Sugar charcoal Wood charcoal Coconut charcoal Animal charcoal Sugar charcoal Wood charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Reduced crop yield Silicosis Respiratory diseases (e.g.asthma) Cancer Reduced crop yield Silicosis Respiratory diseases (e.g.asthma) Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Natural Gas Firewood Coal Petroleum Natural Gas Firewood Coal Petroleum ANSWER DOWNLOAD EXAMIANS APP
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