Chemistry The most abundant rare gas in the atmosphere is Ar Xe He Ne Ar Xe He Ne ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of sulphur Hydrocarbon Smoke Oxides of nitrogen Oxides of sulphur Hydrocarbon Smoke Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The influence of temperature on reaction rate is predicted by Lewis equation Arrhenius equation Kirchhoff's equation Van der Waals equation Lewis equation Arrhenius equation Kirchhoff's equation Van der Waals equation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Oxides of mineral elements Water Carbon dioxide Carbonates from soil Oxides of mineral elements Water Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? S P Na Ag S P Na Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Cement Paint Glass Gun powder Cement Paint Glass Gun powder ANSWER DOWNLOAD EXAMIANS APP