Chemistry Which gas does not form the part of atmosphere ? Helium Chlorine None of these Nitrogen Helium Chlorine None of these Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the fuels given below, the one with highest calorific value is Natural gas Wood Coke Coal Natural gas Wood Coke Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Ten million Half a million One million Two million Ten million Half a million One million Two million ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Hydrogen Oxygen Carbon dioxide All of them Hydrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 13 days 0.01 minute 100 years 3 billion years 13 days 0.01 minute 100 years 3 billion years ANSWER DOWNLOAD EXAMIANS APP
Chemistry Kinetics is the study of: The mechanisms and paths of the molecules take in joining from one reactant to products How fast the reactions go The rate of chemical reaction All of these are correct The mechanisms and paths of the molecules take in joining from one reactant to products How fast the reactions go The rate of chemical reaction All of these are correct ANSWER DOWNLOAD EXAMIANS APP