Chemistry The gas that usually causes explosions in coal mines is Air Hydrogen Methane Carbon monoxide Air Hydrogen Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ammonial is a mixture of Aluminium powder and potassium nitrate Aluminium powder and ammonium nitrate Aluminium powder and ammonium sulphate Aluminium powder and ammonium chloride Aluminium powder and potassium nitrate Aluminium powder and ammonium nitrate Aluminium powder and ammonium sulphate Aluminium powder and ammonium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Magnetite Bauxite Siderite Haematite Magnetite Bauxite Siderite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Two One Zero Three Two One Zero Three ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 5 and 10 km 20 and 50 km 50 and 100 km 10 and 20 km 5 and 10 km 20 and 50 km 50 and 100 km 10 and 20 km ANSWER DOWNLOAD EXAMIANS APP
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