Chemistry-Objective Related Question Answers
1201. Paracetamol is used as?
both analgesic and antipyretic
1202. The drug used against AIDS is?
AZT
1203. Which metal is used to make CD?
Aluminium
1204. The smallest particle of an element or a compound; which shows all the properties of that substance is known as?
molecule
1205. Non - stick kitchen wares are coated with?
Teflon
1206. LPG is a mixture of?
Ethane; Propane and Butane
1207. The main component of LPG is?
Butane
1208. The main component of natural gas is?
Methane
1209. The process of coating Iron with Zinc is known as?
Galvanisation
1210. Soaps solution is basically?
Alkaline (are the salts of weak acid and strong base. Hence their solution is alkaline)
1211. Detergents are basically-Alkaline/Acidic/Neutral?
Neutral (Detergents are the salts of strong acid and strong base. Hence their solution will be neutral)
1212. Which acid is known as the “King of Chemicals”?
Sulphuric acid
1213. The substances which prevent ageing of food materials are commonly known as?
Anti oxidants
1214. A mixture of carbon monoxide and nitrogen is called?
producer gas
1215. “King of Chemicals”?
Sulphuric acid
1216. A mixture of carbon monoxide and hydrogen is called?
Water gas
1217. A solution of carbon dioxide gas in water is called?
Soda water
1218. Which gases are used for gas welding?
Oxygen and acetylene
1219. Rock cotton is?
Asbestos
1220. Element extracted from monozite sand is?
Thorium
1221. The gas used in refrigerators and ice plants?
Ammonia (NH3)
1222. The mixture of uranium oxides is commonly known as?
Yellow cake
1223. Man made elements are commonly known as?
Transuranics
1224. The inorganic elements or compounds which occur naturally in the earth’s crust are known as?
minerals
1225. The mineral from which a metal can be profitably extracted are called?
Ores
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