Chemistry Which of the following is the major constituent of LPG? Methane Ethane Butane Propane Methane Ethane Butane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Ammonia and Ozone Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Ammonia and Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Copper Mercury Lead Zinc Copper Mercury Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is one of the constitutents of water It is lighter than air It is a noble gas Its atomic number is 2 It is one of the constitutents of water It is lighter than air It is a noble gas Its atomic number is 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Acetic acid Sodium salt of benzoic acid Sodium carbonate Tartaric acid Acetic acid Sodium salt of benzoic acid Sodium carbonate Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Lead Potassium Fluorine Aluminium Lead Potassium Fluorine Aluminium ANSWER DOWNLOAD EXAMIANS APP