Chemistry Which one is the lightest element in the periodic table Carbon Hydrogen Oxygen Helium Carbon Hydrogen Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is also known as solution ? A homogeneous mixture A suspension A compound A heterogeneous mixture A homogeneous mixture A suspension A compound A heterogeneous mixture ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Carbonate Sodium Hydroxide Sodium Peroxide Sodium Monoxide Sodium Carbonate Sodium Hydroxide Sodium Peroxide Sodium Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Smoke Oxides of nitrogen Oxides of sulphur Hydrocarbon Smoke Oxides of nitrogen Oxides of sulphur Hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Lignite Peat Anthracite Bituminous Lignite Peat Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an None of these Physical change Electrochemical change Electrical change None of these Physical change Electrochemical change Electrical change ANSWER DOWNLOAD EXAMIANS APP