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Chemistry

General Knowledge on Chemistry

(Click on suggested Options to select the answer | Color Red means : Wrong & Green Means: Correct)
231. The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is
232. The heat required to raise the temperature of body by 1 K is called
233. The number of moles of solute present in 1 kg of a solvent is called its
234. The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is
235. The inert gases are ____ in water
236. The number of g-molecule of oxygen in 6.02 x 1024CO molecules is
237. The ore which is found in abundance in India is
238. The items amenable to detection by soft x-rays are
239. The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of
240. The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?

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