Chemistry-Objective Related Question Answers
301. The most stable form of carbon is?
Graphite
302. Substance used for making electrodes is?
Graphite
303. The substance known as Black lead or Plumbago is?
Graphite
304. Which metal is used as the moderator in nuclear reactor?
Graphite
305. The latest discovered allotrope of carbon?
Graphene
306. The single layer of carbon atoms arranged in a hexagoned shape?
Graphene
307. Percent of nitrogen presence in atmosphere is?
78%
308. Main content of protein is?
Nitrogen
309. It is discovered by Scotish physician?
Daniel Rutherford in 1772
310. The gas controls burning is?
Nitrogen$
311. Which scientific method is used for the production/extraction of Magnesium?
Dow process
312. Which scientific method is used for the production/extraction of Nitric acid?
OstWald process
313. Which scientific method is used for the production/extraction of Noble metals?
Cyanide process
314. Which scientific method is used for the production/extraction of Sulphuric acid?
Contact process
315. Which scientific method is used for the production/extraction of Chlorine gas.?
Deacon's process
316. Which scientific method is used for the production/extraction of Sodium?
Down's process
317. Which scientific method is used for the production/extraction of Hydrogen?
Bosch process
318. Which scientific method is used for the production/extraction of Steel?
Bessemer process
319. Which scientific method is used for the production/extraction of Ammonia?
Haber process
320. Which scientific method is used for the production/extraction of Sodium carbonate?
Solvay process
321. Which scientific method is used for the production/extraction of Sulphur?
Frasch process
322. Which scientific method is used for the production/extraction of Aluminium?
Hall Heroult process
323. Which scientific method is used for the production/extraction of Halogens?
Messenger method
324. Which scientific method is used for the production/extraction of Nitrogen?
Dumas process
325. The most abundant element in the atmosphere?
Nitrogen
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