Free Salts and Hydrolysis MCQs with Answers
5 Salts and Hydrolysis MCQs from Chemistry, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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5 questions
1. Which of the following is an acidic salt?
- A. NH4Cl
- B. NaCN
- C. CH,COONa
- D. K,SO,
Explanation: NH4Cl is a strong acidic salt because it form by strong acid HCl and ammonia
Correct answer: NH4Cl2. NaHSO4 is a _ salt
- A. Normal
- B. Acidic
- C. Basic
- D. Amphoteric
Explanation: The explanation for this question will be added soon.
Correct answer: Acidic3. Soda ash has the chemical formula:
- A. NaHCO3
- B. NaCO3
- C. Na2CO3
- D. Ca(OH)2
Explanation: The explanation for this question will be added soon.
Correct answer: Na2CO34. A solid compound dissolves readily in water to give a weakly alkaline solution. On evaporation of the water, X was recovered unchanged. Which one of the following could be X?
- A. CH3 NH3 Cl
- B. CH3 O- Na+
- C. C6H5 O-Na+
- D. C6H5NH2
- E. H2NCH2CO2H
Explanation: The sodium salt of phenol, which is weakly acidic. When dissolved in water, it would give a weakly alkaline solution due to the hydrolysis of the phenoxide ion. On evaporation, we would recover the original compound unchanged.
Correct answer: C6H5 O-Na+5. Addition of 2% gypsum in cement leads to:
- A. Hydration
- B. Hydrolysis
- C. Preventing of rapid hardening
- D. All of the above options are correct
Explanation: During the grinding there is added about 2% of gypsum which prevents the cement from hardening too rapidly.The addition of gypsum increases the setting time of cement.
Correct answer: Preventing of rapid hardeningSalts and Hydrolysis MCQs: common questions
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There are 5 Salts and Hydrolysis MCQs in the Chemistry bank, shown ten to a page with the correct answer and an explanation on each.
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Yes. Each Salts and Hydrolysis question shows the correct option and a written explanation of why it is correct, so a wrong answer teaches you something rather than just being marked wrong.
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