Chemistry Which one of the following metals is used to galvanise iron ? Lead Zinc Mercury Copper Lead Zinc Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Methane Carbon di-oxide Ethane Carbon monoxide Methane Carbon di-oxide Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Zinc oxide Aluminium oxide Calcium oxide Magnesium oxide Zinc oxide Aluminium oxide Calcium oxide Magnesium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is liquid non-metal ? Water Mercury Alcohol Bromine Water Mercury Alcohol Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Coke Diamond Graphite Lamp black Coke Diamond Graphite Lamp black ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 150 km 300 km 200 km 100 km 150 km 300 km 200 km ANSWER DOWNLOAD EXAMIANS APP
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