Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 NO CO Hydrocarbons CO2 NO CO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon di-oxide Carbon monoxide Ethane Methane Carbon di-oxide Carbon monoxide Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mark the compound which possess ionic, covalent and coordinate bonds. NH4Cl SO2 H2O SO3 NH4Cl SO2 H2O SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Cu Ag Ge Au Cu Ag Ge Au ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Alumina Alum Clay Gypsum Alumina Alum Clay Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium carbonate Sodium bicarbonate Magnesium hydroxide Calcium hydroxide Magnesium carbonate Sodium bicarbonate Magnesium hydroxide Calcium hydroxide ANSWER DOWNLOAD EXAMIANS APP
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