Chemistry Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium B, D and E A and C A, C and E A, B, C, D and E B, D and E A and C A, C and E A, B, C, D and E ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 8 –4 Zero 4 8 –4 Zero 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The advantage of detergents over soaps is Detergents could not give much lather Soaps give lather with only soft water Detergents are soluble in water Detergents give lather even with hard water Detergents could not give much lather Soaps give lather with only soft water Detergents are soluble in water Detergents give lather even with hard water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 2 1 0.05 0.01 2 1 0.05 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Nitrates Sulphonates Bicarbonates Bismuthates Nitrates Sulphonates Bicarbonates Bismuthates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Ethane Carbon monoxide Methane Carbon di-oxide Ethane Carbon monoxide Methane Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
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