what is the two observations when Sulphuric acid is poured on zinc granules
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1. zinc metal would become zinc suphate(as it displaced hydrogen from sulphuric acid)
2. hydrogen gas would be released with heat
2. hydrogen gas would be released with heat
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Answer:
1) Bubbles of hydrogen form on the surface of zinc
2) The temperature of the flask increases
Explanation:
Zinc is more reactive than hydrogen (see the reactivity series). So it displaces hydrogen (H₂) from the sulfuric acid (H₂SO₄). The following reaction takes place:
Zn + H₂SO₄ = ZnSO₄ + H₂
It is an exothermic reaction
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