General Science Chemistry- 16

by PSC WINNERS on March 30, 2018 in Chemistry

271. The National chemical Laboratory is situated in
- Pune

272. PVC plastics are obtained from vinyl chloride by the process of
- polymerization

273.Milk is an example of
- emulsion

274. The boiling point of water, on the kelvin scale of temperature is
- 373

275. The substance that causes the worst air pollution is
- carbon monoxide

276. Dolomite is an ore of
-Mg

277. The element used in photocopying machines is
- Selenium

278. In breeder reactors uranimn-238 is converted into
- Plutonium-239

279. The process of elimination of water from any system is called .
- dehydration

280. Chemotherapy deals with

- The study and uses of chemicals in the cure of diseases.

281. The point at whichthe solid, liquid and gaseous forms of a substance co-exist is called its
- triple point

282. The IC chips used in computers are made of
- Silicon

283. For rural electrification and domestic cooking, most appropriate and economical would be
- biogas

284. The full form of D.D.T.:

Dichlorodiphenyltrichloromethane

285. The acid contained palm oil:

Palmitic acid

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