Free & Premium Study Material · Online Courses · Instant Download+91 99398 78821 · support@downloadstore.in
downloadstoreSTUDY MATERIAL
LoginRegister🛒0

Non-Metals and Their Compounds

312 MCQ questions with answers and explanations · page 10 of 13

Test yourself▶ 25 question test▶ 50 question test

Q226. Which of the following is the chemical formula of 'hypothromous acid'?

  1. AHBrO⁴
  2. BHOBr
  3. CHBr
  4. DHBrO³
Show answer & explanation

Answer: D) HBrO³

Q227. Seaweeds are an important source of which of the following?

  1. Asulfurous
  2. Bof chlorine
  3. Cof bromine
  4. Dof iodine
Show answer & explanation

Answer: C) of bromine

Q228. Which of the following is found in dosha state at normal temperature?

  1. Achlorine
  2. Bbromine
  3. CIodine
  4. DFluorine
Show answer & explanation

Answer: D) Fluorine

Q229. To correct impaired thyroid function, iodized salt is usually given in which of the following forms?

  1. Apotassium iodate
  2. Bsodium iodate
  3. CMagnesium Iodate
  4. Dpotassium iodide
Show answer & explanation

Answer: D) potassium iodide

Q230. Hydrofluoric acid is not kept in glass bottles because it reacts with ____.

  1. Afrom visible light
  2. Bsodium oxide in glass
  3. Cglass from aluminum oxide
  4. Dglass made of silicon dioxide
Show answer & explanation

Answer: C) glass from aluminum oxide

Q231. Another name of hydrochloric acid is-

  1. AGallic acid
  2. Bpicric acid
  3. CMuriatic acid
  4. Dchloric acid
Show answer & explanation

Answer: D) chloric acid

Q232. Which of the following acids is produced in the human stomach?

  1. AFormic acid
  2. Bsulfuric acid
  3. Cnitric acid
  4. Dhydrochloric acid
Show answer & explanation

Answer: D) hydrochloric acid

Q233. What is glass soluble in?

  1. AH²SO⁴
  2. BHCIO⁴
  3. CHNO³
  4. DHF
Show answer & explanation

Answer: C) HNO³

Q234. The element found in the least quantity in the earth's crust is ____

  1. Aengagement
  2. Bchlorine
  3. CAstatine
  4. DMagnesium
Show answer & explanation

Answer: D) Magnesium

Q235. Inert gases do not react with other elements because_

  1. Ais an atomic
  2. BThe size of their atoms is very small
  3. CIt is not found in large quantities.
  4. DThey have fully paired permanent shells
Show answer & explanation

Answer: C) It is not found in large quantities.

Q236. The outermost orbit of an atom of an inert gas is ____

  1. Ahas one electron
  2. Bhas two electrons
  3. Cis completed
  4. Dhas 8 electrons.
Show answer & explanation

Answer: C) is completed

Q237. Noble gases are inert because ____

  1. ATheir electronic configuration is stable.
  2. Btheir ionization potential is high
  3. Cboth of the above
  4. Dnone of these
Show answer & explanation

Answer: B) their ionization potential is high

Q238. Who is credited with discovering inert gases?

  1. APriestley
  2. BRaje
  3. CSheele
  4. DCavendish
Show answer & explanation

Answer: B) Raje

Q239. Which of the following gases is used to expand the tyres of aeroplanes?

  1. Ahydrogen
  2. Bhelium
  3. Cnitrogen
  4. DNeon
Show answer & explanation

Answer: B) helium

Q240. The nucleus of helium contains ____

  1. Aone proton and two neutrons
  2. Bonly one proton
  3. Ctwo protons and two neutrons
  4. Donly two protons
Show answer & explanation

Answer: C) two protons and two neutrons

Q241. Which of the following is used to fill balloons for meteorological observation?

  1. Aoxygen
  2. BCO²
  3. Cmethane
  4. Dhelium
Show answer & explanation

Answer: C) methane

Q242. Liquids generally flow from higher levels to lower levels. Which of the following liquids can rise upwards when placed in a glass?

  1. AWater
  2. Bliquid nitrogen
  3. Cliquid helium
  4. Dpetrol
Show answer & explanation

Answer: B) liquid nitrogen

Q243. How many electrons are there in the outermost orbit of all the inert gases except helium?

  1. A6
  2. B8
  3. C10
  4. D18
Show answer & explanation

Answer: D) 18

Q244. Divers use a mixture of oxygen and which gas while deep sea diving?

  1. Ahydrogen
  2. Bnitrogen
  3. CArgon
  4. Dhelium
Show answer & explanation

Answer: D) helium

Q245. Helium is preferred over hydrogen in air balloons because

  1. Ais relatively cheap
  2. Bis relatively less dense
  3. CPossesses relatively high lifting power
  4. Ddoes not form explosive mixtures with air
Show answer & explanation

Answer: D) does not form explosive mixtures with air

Q246. The gas commonly used in advertising signboards and decorative lights is ____

  1. Anitrogen
  2. Bchlorine
  3. Chydrogen
  4. DNeon
Show answer & explanation

Answer: D) Neon

Q247. Tube lights are generally filled with gas ____

  1. AArgon + Phosphine
  2. Bmercury vapor + argon
  3. CArgon + Methane
  4. Dmercury vapor helium
Show answer & explanation

Answer: B) mercury vapor + argon

Q248. The gas used in electric bulb is ____

  1. Anitrogen
  2. Bhydrogen
  3. Coxygen
  4. Dinert gas
Show answer & explanation

Answer: A) nitrogen

Q249. Which of the following is an inert gas commonly found in light bulbs?

  1. AArgon
  2. BRadon
  3. Coxygen
  4. Dhydrogen
Show answer & explanation

Answer: C) oxygen

Q250. The most abundant inert gas in the atmosphere is ______.

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

Answer: D) Krypton

1…8910111213
← Nature and Composition of MatterOrganic Chemistry →
💬