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Non-Metals and Their Compounds

312 MCQ questions with answers and explanations · page 11 of 13

Test yourself▶ 25 question test▶ 50 question test

Q251. Which noble gas is not present in the air?

  1. Ahelium
  2. BNeon
  3. CArgon
  4. DRadon
Show answer & explanation

Answer: B) Neon

Q252. Which inert gas can form compounds?

  1. Ahelium
  2. BGeneon
  3. CKrypton
  4. DOrgan
Show answer & explanation

Answer: B) Geneon

Q253. Who discovered helium?

  1. AHenry Cavendish
  2. BLocair
  3. CSheele and Priestley
  4. DBerzelius
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Answer: D) Berzelius

Q254. The noble gas used for the treatment of cancer is ____

  1. Ahelium
  2. BOrgan
  3. CKrypton
  4. DRadon
Show answer & explanation

Answer: A) helium

Q255. What is the mineralogy of diamond?

  1. ACarbon
  2. Bnitrogen
  3. CNickel
  4. Dzinc
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Answer: A) Carbon

Q256. Carbon dating is used to determine the age of:

  1. Afossil
  2. BBack
  3. Crocks
  4. DNone of these
Show answer & explanation

Answer: B) Back

Q257. Which of the following substances destroys the ozone layer?

  1. ASilicon
  2. BSulphur
  3. CCarbon
  4. Dchlorine
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Answer: D) chlorine

Q258. The ozone layer is mainly located in ______.

  1. ATroposphere
  2. BStratosphere
  3. Cionosphere
  4. DMesosphere
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Answer: C) ionosphere

Q259. Who among the following discovered heavy water?

  1. AHeinrich Hertz
  2. BH. C. Ure
  3. CJoseph Priestley
  4. DG. Mendel
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Answer: D) G. Mendel

Q260. Which one of the following is also called 'stranger gas'?

  1. AOrgan
  2. BNeon
  3. CGeneon
  4. DN²O
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Answer: D) N²O

Q261. Which of the following is a semiconductor?

  1. Aplastic
  2. Baluminum
  3. CWood
  4. DGermanium
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Answer: D) Germanium

Q262. The main gaseous pollutant of thermal power station is ____

  1. AH²S
  2. BNH³
  3. CNO³
  4. DSO²
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Answer: C) NO³

Q263. The tip of a match contains_

  1. Aphosphorus pentoxide
  2. Bphosphorus trichloride
  3. CRed Phosphorus
  4. Dwhite phosphorus
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Answer: A) phosphorus pentoxide

Q264. Diamond and graphite are ____

  1. Aallotrope
  2. Bisomorphic
  3. Cisomer
  4. DIsobars
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Answer: C) isomer

Q265. Which of the following processes is used to make Dalda or Vanaspati Ghee from vegetable oil?

  1. Ahydrolysis
  2. BOxidation
  3. Chydrogenation
  4. DOzone depletion
Show answer & explanation

Answer: B) Oxidation

Q266. Which method is used in the industrial production of vegetable ghee?

  1. ADissociation
  2. Breduction
  3. COxidation
  4. DIonization
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Answer: A) Dissociation

Q267. Protium, deuterium and tritium are naturally occurring isotopes of ..............

  1. Ahydrogen
  2. Bnitrogen
  3. CCarbon
  4. DGold
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Answer: C) Carbon

Q268. If there is no carbon dioxide in the earth's atmosphere, then the temperature of the earth's surface will be_

  1. Adepends on the amount of oxygen in the atmosphere
  2. Bwill exceed the current
  3. Cwill be less than the current
  4. Dwill remain the same
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Answer: A) depends on the amount of oxygen in the atmosphere

Q269. Which of the following is the main greenhouse gas?

  1. Acarbon dioxide
  2. Bchlorofluorocarbons
  3. Ccarbon monoxide
  4. DCreon
Show answer & explanation

Answer: B) chlorofluorocarbons

Q270. What is the chemical name of the deadly poison 'cyanide'?

  1. Ahydrochloric acid
  2. Bsulfuric acid
  3. Cnitric acid
  4. Dmoussic acid
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Answer: D) moussic acid

Q271. The purest form of water is_

  1. Atap water
  2. Brain water
  3. Cgroundwater
  4. Ddistilled water
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Answer: B) rain water

Q272. Which one of the following is not a nitrogenous fertilizer?

  1. Aammonium sulphate
  2. BUrea
  3. Cammonium nitrate
  4. DSuper Phosphate
Show answer & explanation

Answer: A) ammonium sulphate

Q273. Champagne and soda have bubbles—

  1. ACO²
  2. Bhydrogen
  3. Cnitrogen
  4. Doxygen
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Answer: C) nitrogen

Q274. In what form can H²SO⁴ not be used?

  1. Adrying agent
  2. Bdehydrating agent
  3. Cdisinfectant
  4. Dfood preservation
Show answer & explanation

Answer: A) drying agent

Q275. Who is the toughest among the following?

  1. ADiamond
  2. BGlass
  3. CQuartz
  4. DPlatinum
Show answer & explanation

Answer: A) Diamond

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