Chemistry Which gas is used as fire extinguisher ? Sulphur dioxide Carbon monoxide Carbon suboxide Carbon dioxide Sulphur dioxide Carbon monoxide Carbon suboxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one amongst the following is not a Green House gas? Nitrogen Chloro fluoro carbons Carbon Monoxide Carbon dioxide Nitrogen Chloro fluoro carbons Carbon Monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Oxygen Carbon Hydrogen Helium Oxygen Carbon Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Argon Neon Helium Nitrogen Argon Neon Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Nitrite Bauxite Lignite Magnetite Nitrite Bauxite Lignite Magnetite ANSWER DOWNLOAD EXAMIANS APP
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