Chemistry Hardest allotrope of carbon is Graphite Coke Diamond Lamp black Graphite Coke Diamond Lamp black ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From pink to blue-green From blue to pink From brown to blue-black From brown to orange-red From pink to blue-green From blue to pink From brown to blue-black From brown to orange-red ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Ozone gas Carbon Monoxide Carbon dioxide Methane Ozone gas Carbon Monoxide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Pesticide Insecticide Disinfectant Fertilizer Pesticide Insecticide Disinfectant Fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Nitrous oxide Sulphur dioxide Carbon dioxide Carbon monoxide Nitrous oxide Sulphur dioxide Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Vinyl Chloride Neoprene Isoprene Acetylene Vinyl Chloride Neoprene Isoprene Acetylene ANSWER DOWNLOAD EXAMIANS APP
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