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7th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    In which of the following cases salt will not be formed?

    A) When sodium hydroxide will react with hydrochloric acid

    B) When sodium hydroxide will react with sulphuric acid.

    C) When sodium hydroxide will react with carbonic acid

    D) When potassium hydroxide will react with nitric acid.

    E) None of these

    Correct Answer: E

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