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Non-Metals and Their Compounds

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

Q301. The reaction between which of the following two reactants will produce hydrogen gas?

  1. AMagnesium and hydrochloric acid
  2. Bcopper and dilute nitric acid
  3. Ccalcium carbonate and hydrochloric acid
  4. DZinc and Nitric Acid
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Answer: A) Magnesium and hydrochloric acid

Q302. Polluted atmosphere is cleaned by which of the following?

  1. Aoxygen
  2. BRain
  3. Cnitrogen
  4. DAir
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Answer: A) oxygen

Q303. Steam and coal gas are a mixture of what?

  1. Acarbon dioxide and hydrogen
  2. Bcarbon monoxide and nitrogen
  3. Ccarbon monoxide and hydrogen
  4. Dcarbon dioxide and nitrogen
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Answer: C) carbon monoxide and hydrogen

Q304. Which of the following is not a greenhouse gas?

  1. Amethane
  2. Bnitrous oxide
  3. Cchlorofluorocarbon
  4. Dhydrogen
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Answer: D) hydrogen

Q305. Which of the following elements is an example of a 'noble gas'?

  1. Anitrogen
  2. Bhydrogen
  3. Cchlorine
  4. Dhelium
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Answer: D) helium

Q306. What is the main use of hydrofluoric acid?

  1. Ain glass etching (acid writing)
  2. Bas a bleaching agent
  3. Cas a very strong oxidizing agent
  4. DIn the preparation of strong organic fluorine compounds
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Answer: A) in glass etching (acid writing)

Q307. Which one of the following is not an example of an allotrope?

  1. ADiamond
  2. Bgraphite
  3. Cozone
  4. DSteel
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Answer: D) Steel

Q308. Which of the following is not a semiconductor?

  1. ASilicon
  2. BKrypton
  3. CSelenium
  4. DGermanium
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Answer: B) Krypton

Q309. Which one of the following is not an inert gas?

  1. ARadon
  2. BOrgan
  3. CCarbon
  4. DNeon
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Answer: C) Carbon

Q310. Which one of the following is an electronegative element?

  1. ALithium
  2. Bsodium
  3. CMagnesium
  4. DFluorine
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Answer: D) Fluorine

Q311. Which of the following gases dissolves in water to form an acidic solution?

  1. Acarbon dioxide
  2. Boxygen
  3. Cnitrogen
  4. Dhydrogen
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Answer: A) carbon dioxide

Q312. List 1 (Event) List || (compounds) A. acid rain 1. chlorofluoro carbon B. photochemical haze 2. photochemical haze C. combination with hemoglobin 3. sulfur dioxide D. destruction of the ozone layer Coot:

  1. AABCD 1 2 3 4
  2. BABCD 3 2 4 1
  3. CABCD 3 4 2 1
  4. DABCD 1 3 2 4
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Answer: A) ABCD 1 2 3 4

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