Chemistry For extinguishing fire, we use Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Oxygen Hydrogen Helium Carbon Oxygen Hydrogen Helium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Internal energy Free energy Threshold energy Activation energy Internal energy Free energy Threshold energy Activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colour imparted to the Bunsen flame by strontium salt is Brick red Apple-green Crimson red Bluish green Brick red Apple-green Crimson red Bluish green ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the fuels given below, the one with highest calorific value is Natural gas Coal Wood Coke Natural gas Coal Wood Coke ANSWER DOWNLOAD EXAMIANS APP
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