Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Sodium Potassium Cadmium Lithium Sodium Potassium Cadmium Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Hydrogen Methane Nitrogen Helium Hydrogen Methane Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Drinking soda is Acidic Oxidant Alkaline Neutral Acidic Oxidant Alkaline Neutral ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Galena Pyrolusite Magnetite Siderite Galena Pyrolusite Magnetite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and b A and c C and d B and c A and b A and c C and d B and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Oxidation Exfoliation Carbonation Corrosion Oxidation Exfoliation Carbonation Corrosion ANSWER DOWNLOAD EXAMIANS APP