Chemistry The major constituent of gobar gas is Methane Butane Carbon dioxide Isobutane Methane Butane Carbon dioxide Isobutane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Calcium, magnesium and iron Magnesium, calcium and tin Magnesium, tin and iron Iron, tin and calcium Calcium, magnesium and iron Magnesium, calcium and tin Magnesium, tin and iron Iron, tin and calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is more reactive than tin Zinc has a higher melting point than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc is more reactive than tin Zinc has a higher melting point than tin Zinc is less reactive than tin Zinc is costlier than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Zinc Tin Nickel Copper Zinc Tin Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Decomposition Reduction Oxidation Dehydration Decomposition Reduction Oxidation Dehydration ANSWER DOWNLOAD EXAMIANS APP
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