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MCQs

Total Questions : 212 | Page 18 of 22 pages
Question 171. On the description of the proton, the new classification of acid and base was given byA substance which neutralizes a base is called
  1.    J. Bronsted onlyacid
  2.    T. Lowry onlyalkali
  3.    J.Daltonalkaloid
  4.    J. Bronsted and T. Lowryhalogen
 Discuss Question
Answer: Option A. -> J. Bronsted onlyacid
Answer: J. Bronsted and T. Lowryacid
Question 172. H₂CO₃ is formula of
  1.    Hydrogen carbonate (s)
  2.    Carbonic acetate
  3.    Carbonic acid
  4.    Hydro citric acid
 Discuss Question
Answer: Option C. -> Carbonic acid
Answer: (c).Carbonic acid
Question 173. A base which is soluble in water is called
  1.    hydrous
  2.    alkali
  3.    basic
  4.    acidic
 Discuss Question
Answer: Option B. -> alkali
Answer: (b).alkali
Question 174. The taste of lemon is due to the presence of
  1.    citric acid
  2.    acetic acid
  3.    ethanoic acid
  4.    benzoic acid
 Discuss Question
Answer: Option A. -> citric acid
Answer: (a).citric acid
Question 175. A base is a substance which neutralizes an
  1.    acid
  2.    base
  3.    alkali
  4.    non-metals
 Discuss Question
Answer: Option A. -> acid
Answer: (a).acid
Question 176. Corrosive acids like sulfuric acid can act like
  1.    base
  2.    alkali
  3.    acid
  4.    neutral
 Discuss Question
Answer: Option A. -> base
Answer: (a).base
Question 177. When there is a link between product and reactant with a transfer of proton that pair is called
  1.    conjugate pair
  2.    proton pair
  3.    acid pair
  4.    base pair
 Discuss Question
Answer: Option A. -> conjugate pair
Answer: (a).conjugate pair
Question 178. Apples contain
  1.    citric acid
  2.    malic acid
  3.    tartaric acid
  4.    acetic acid
 Discuss Question
Answer: Option B. -> malic acid
Answer: (b).malic acid
Question 179. Consider equation P₄O₁₀ + H₂O → H₃PO₄. number of moles of H₃PO₄ produced by reaction are
  1.    2
  2.    4
  3.    6
  4.    8
 Discuss Question
Answer: Option B. -> 4
Answer: (b).4
Question 180. Soap is
  1.    acidic
  2.    alkaline
  3.    neutral
  4.    basic
 Discuss Question
Answer: Option B. -> alkaline
Answer: (b).alkaline

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