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     EduGorilla 
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    A student was mixing an acid and a base in the laboratory. He observed that the test tube became hot after mixing. What was the reason for this increase in temperature?

    Options :-

    1. Action of the acid on glass produces heat.
    2. Action of the base on glass produces heat.
    3. Reaction between the acid and the base produces heat.
    4. Salt formed after reaction acts on glass to produce heat.
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