Chemistry Gobar gas mainly contains Carbon dioxide Hydrogen sulphide Methane Carbon monoxide Carbon dioxide Hydrogen sulphide Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Collection of dust Oxidation of cellulose Lack of aeration Frequent use Collection of dust Oxidation of cellulose Lack of aeration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are miscible with each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O+2 O2 O-22 O-2 O+2 O2 O-22 O-2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Copper Aluminium Iron Zinc Copper Aluminium Iron Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Blue vitriol Epsom salt Green vitriol Gypsum salt Blue vitriol Epsom salt Green vitriol Gypsum salt ANSWER DOWNLOAD EXAMIANS APP
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