Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium powder None of these Aluminium sulphate Solder Aluminium powder None of these Aluminium sulphate Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Reduction in plant's productivity owing to acid rain All of these Corrosion building materials Respiratory and lung disease Reduction in plant's productivity owing to acid rain All of these Corrosion building materials Respiratory and lung disease ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Plum and pudding Cream and pudding Cream and cake Plum and cake Plum and pudding Cream and pudding Cream and cake Plum and cake ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest ionization potential is Carbon Helium Boron Oxygen Carbon Helium Boron Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand and sodium carbonate Sand and sodium bicarbonate Sand and potassium carbonate Sand Sand and sodium carbonate Sand and sodium bicarbonate Sand and potassium carbonate Sand ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive halogen Fluorine Chlorine Bromine Iodine Fluorine Chlorine Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP