Q1. Acid is a substance that_
- Aaccepts electrons
- Bprovides electrons
- Cdonates protons
- Dgives OH ions
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Answer: C) donates protons
Acids, Bases, and Salts
40 MCQ questions with answers and explanations · page 1 of 2
Test yourself▶ 25 question test
Q2. 'Bhasma' (Base) is that substance which_
- Adonates protons
- Baccepts protons
- Cdonates electrons
- Daccepts an electron pair
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Answer: B) accepts protons
Q3. The substance formed as a result of the reaction of acid and ashes is called_
- Aacid
- Bsalt
- CEaster
- Dalcohol
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Answer: B) salt
Q4. In neutralization reaction _______ is formed
- Aacid
- Bashes
- Csalt
- Dsalt and water
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Answer: D) salt and water
Q5. What is used to test for acid and ash?
- Alitmus paper
- BCobalt Letter
- CAmmonia Letter
- DNone of these
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Answer: A) litmus paper
Q6. Turns blue litmus paper red
- Aacid
- Bashes
- Calkali
- Dsalt
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Answer: A) acid
Q7. Turns red litmus paper blue_
- Aacid
- Bashes
- Csalt
- DNone of these
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Answer: B) ashes
Q8. Water soluble ash (base) is called_
- Aacid
- Balkali
- Csalt
- DNone of these
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Answer: B) alkali
Q9. Which of the following statements is correct?
- AAlkalis have a soapy consistency
- BBase turns red litmus blue
- CAll alkalis are ash but all ash are not alkalis
- DAll of the above
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Answer: D) All of the above
Q10. All acids dissolve in water to give ______.
- AOH- ions
- BH+ ions
- Celectron
- DNeutron
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Answer: B) H+ ions
Q11. The ashes have a taste
- Asaline
- BTart
- CSweet
- Dtasteless
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Answer: A) saline
Q12. Which ion is present in the aqueous solution of ashes?
- AH+
- BH-
- COH-
- DOH+
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Answer: C) OH-
Q13. All salts are ____
- Aelectrolytic
- Belectrolyte
- Cpermanent lysate
- DMoody
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Answer: B) electrolyte
Q14. Who determined the pH value?
- ALavoisier
- BPriestley
- CCavendish
- DSarinson
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Answer: D) Sarinson
Q15. The concentration of hydrogen ions in pure water is ______.
- A10-⁷
- B10-⁵
- C10-1¹⁰
- D10-¹⁴
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Answer: A) 10-⁷
Q16. The pH value of an acidic solution is ____
- A7
- BLess than 7
- CMore than 7
- D14
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Answer: B) Less than 7
Q17. The pH value of an alkaline solution is ____
- ALess than 7
- BMore than 7
- CZero
- D7
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Answer: B) More than 7
Q18. The pH value of a neutral solution is—
- ALess than 7
- BMore than 7
- C17
- D14
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Answer: C) 17
Q19. Which gas do all acids release when they react with metals?
- Ahydrogen
- Bnitrogen
- Coxygen
- Dchlorine
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Answer: A) hydrogen
Q20. The pH value of blood is_
- A5
- B6.4
- C7.4
- D8
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Answer: C) 7.4
Q21. The pH value of milk is ____
- A6.1
- B6.6
- C7.4
- D8
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Answer: B) 6.6
Q22. Hydrochloric acid is stronger than acetic acid because_
- AIt has less number of hydrogen atoms
- BIt gets completely ionized to produce H+ ions.
- CIt contains chlorine
- DIt does not contain oxygen
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Answer: B) It gets completely ionized to produce H+ ions.
Q23. The salts which are free from acidic hydrogen atom or hydroxyl ion are called ____
- Acommon salt
- BAcid salts
- CBhasmic Salt
- Dmixed salts
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Answer: A) common salt
Q24. Which of the following is not a 'normal salt'?
- ANa²SO⁴
- BNaHSO⁴
- CNa³ PO⁴
- DCaSO⁴
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Answer: B) NaHSO⁴
Q25. An example of a complex salt is—
- AK⁴ [Fe(CN)⁶]
- BK²[Hgl⁴]
- C[Ag(NH³)²]C
- Dall of which
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Answer: D) all of which