Chemistry How many electrons in a Hydrogen atom Four Two Three One Four Two Three One ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen More stable Non-combustible More abundant than hydrogen Lighter than hydrogen More stable Non-combustible More abundant than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Hydrogen Carbon monoxide Air Methane Hydrogen Carbon monoxide Air Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Isobaric system Open system Isothermal system Closed system Isobaric system Open system Isothermal system Closed system ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Urea Ammonium sulphate Superphosphate Ammonium nitrate Urea Ammonium sulphate Superphosphate Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Lignite Anthracite Bituminous Peat Lignite Anthracite Bituminous Peat ANSWER DOWNLOAD EXAMIANS APP
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