Chemistry By-product obtained by soap industry is Caustic soda Naphthalene Caustic potash Glycerol Caustic soda Naphthalene Caustic potash Glycerol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of nucleons the number of protons the number of neutrons the number of protons and electrons the number of nucleons the number of protons the number of neutrons the number of protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Neon Helium Argon Krypton Neon Helium Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Oxygen Chlorine Sulphur Phosphorus Oxygen Chlorine Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to orange-red From blue to pink From brown to blue-black From pink to blue-green From brown to orange-red From blue to pink From brown to blue-black From pink to blue-green ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Lack of oxygen in the surroundings of sigrees Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Lack of oxygen in the surroundings of sigrees Accumulation of smoke and dust over the sigrees ANSWER DOWNLOAD EXAMIANS APP