Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Sodium Neon Nitrogen Hydrogen Sodium Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Antiseptic Antibiotic Coagulant Disinfectant Antiseptic Antibiotic Coagulant Disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Gold Iron Silver Aluminium Gold Iron Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Aluminium oxide Calcium oxide Magnesium oxide Zinc oxide Aluminium oxide Calcium oxide Magnesium oxide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Teflon Metallic polysulphides Polystyrene Polyurethane Teflon Metallic polysulphides Polystyrene Polyurethane ANSWER DOWNLOAD EXAMIANS APP