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Organic Chemistry Multiple Choice Questions and Answers – Acids and Bases

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Free download in PDF Organic Chemistry Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>

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(1) Which one is correctly matched?
[A] Acids – pH range above7
[B] Acids – pH range below 7
[C] Acids – pH range 7(neutral)
[D] Acids – pH range 8-9
Answer: Acids – pH range below 7
(2) A Strong acid is same as concentrated acid.
[A] False
[B] True
Answer: False

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(3) When an acid reacts with a metal, which one of the following gas is usually liberated?
[A] ammonia gas
[B] chlorine
[C] oxygen
[D] Hydrogen gas
Answer: Hydrogen gas
(4) Which of the following is wrongly mapped?
[A] Sodium carbonate – Washing soda
[B] Sodium chloride – common salt
[C] Calcium carbonate – slaked lime
[D] Sodium hydroxide – caustic soda
Answer: Calcium carbonate – slaked lime
(5) What will be the X in the following equation?

MgO + 2HCl —-> X + H2O

[A] Mg2Cl
[B] 2MgCl
[C] MgCl
[D] MgCl2
Answer: MgCl2
(6) Which of the following is neither an acid nor base?
[A] CH3COOH
[B] HCl
[C] KCl
[D] CH3OH
Answer: KCl
(7) Which one will change from red litmus to blue?
[A] NaCl
[B] HCl
[C] KOH
[D] LiOH
Answer: HCl
(8) What is the pH of 0.0001 molar HCl solution?
[A] 1
[B] 2
[C] 3
[D] 4
Answer: 4
(9) What will be the product when HNO3 reacts with NH4OH?
[A] NH4 NO3
[B] 2NH4 NO3
[C] NH4 (NO3)2
[D] NH2NO3
Answer: NH4 NO3
(10) Find the odd one out.
[A] Neutral salt : NaCl
[B] Acid salt : CuSO4.5H2O
[C] Basic salt: CuCO3.Cu(OH)2
[D] Nonhydrated salt: KNO3
Answer: Acid salt : CuSO4.5H2O

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