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प्रश्न
Classify the following reaction into Exothermic and Endothermic reactions.
Magnesium ribbon when burned in air, it forms magnesium oxide.
पर्याय
Exothermic reaction
Endothermic reaction
उत्तर
Magnesium ribbon when burned in air, it forms magnesium oxide- Exothermic reaction
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While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
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Give scientific reason.
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