Neutralization Reaction Quiz - CBSE Class 7 Science

Free practice quiz: Neutralization Reaction (CBSE Class 7 Science). 19 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is neutralization?

   1. A process that results in water
   2. A reaction between an acid and a base
   3. A process that creates salt
   4. A physical change in matter
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   Answer: B. A reaction between an acid and a base

   Neutralization is a chemical reaction in which an acid and a base react to form water and a salt.

2. If equal amounts of an acid and a base are mixed, what is the pH of the resulting solution?

   1. 1
   2. 7
   3. 14
   4. 0
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   Answer: B. 7

   The pH of a neutral solution, like the one resulted from equal amounts of acid and base, is typically 7.

3. In a neutralization reaction, the pH of the solution after reaction is usually?

   1. Neutral
   2. Acidic
   3. Basic
   4. Varies highly
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   Answer: A. Neutral

   After a complete neutralization reaction, the pH of the resulting solution is neutral, which is typically around pH 7.

4. What does the term 'exothermic' mean in relation to neutralization reactions?

   1. Heat is absorbed
   2. Heat is released
   3. Heat is retained
   4. No heat change
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   Answer: B. Heat is released

   Neutralization reactions are typically exothermic, meaning they release heat upon the reaction of acid and base.

5. In a titration graph of a strong acid with a strong base, what is the shape of the curve?

   1. Sigmoidal curve
   2. Parabolic curve
   3. Linear graph
   4. Straight declining line
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   Answer: A. Sigmoidal curve

   The titration curve of a strong acid with a strong base typically displays a sigmoidal shape, with a steep rise at the equivalence point.

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