7th Class Science Related to Competitive Exam Question Bank Self Test-5

  • question_answer
    A symbol above the arrow in a chemical reaction is used for the notation of heat energy added in the chemical reaction. Which one of the following symbol is used for the same?

    A) \[\partial \]

    B) \[\alpha \]

    C) \[\beta \]

    D) \[\Delta \]

    E)  None of these

    Correct Answer: D


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