GS Important Questions ========================= The heat required to raise the temperature of 1 kg of a substance through one degree celcius is called? Specific heat. The speed greater than the speed of sound is called? Supersonic speed. Volatile substance that incapacitates for a time by powerfully irritating the eyes, provoking tears is called? Tear gas. Who is the inventor of Dynamite? Alfred B. Nobel. Who discovered life in plants? Jagadish Chandra Bose. The unit used to measure loudness of sound is? Decibel. The smallest part of an element that can take part in a chemical reactiion is called? Atom. Substances used for destroying or stopping growth of micro-organisms in living tissue is calles? Antiseptic. Water that does not form lather with soap easily is called? Hard water. The lines drawn on maps joining the places having same barometic pressure is called? Isobars. 2.2K views02:35
