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प्रश्न
State two characteristics of the chemical reaction which takes place when dilute sulphuric acid is poured over zinc granules.
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उत्तर
When dilute sulphuric acid is poured over zinc granules, hydrogen gas is evolved and the mixture becomes hot. Hence, "evolution of a gas" and "change in temperature" are two characteristics of this chemical reaction.
Zn (s) + H2SO4 (aq) → ZnSO4 (aq) + H2 (g) + HEAT
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संबंधित प्रश्न
What happens when dilute hydrochloric acid is added to iron fillings? Choose the correct answer.
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Write the equation for the reaction that takes place.
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(3) Blue
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(1) add dilute nitric acid on strips of both the metals.
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| REACTION | TYPE |
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\[\ce{CuSO4 + Fe -> FeSO4 + Cu}\]
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