Do you observe anything happening
around the zinc granules (Fig.2)?
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2
Answer:
Answer. we will be able to see bubbles around the zinc granules due to the hydrogen formed in the reaction.
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Answer:
Zn+H2SO4 ⟶ZnSO4+H 2 ↑
(∗) We can observe bubbles of H 2
gas being formed around zinc granules.
(∗) This is an exothermic reaction, i.e. it involves release heat and the flask become hot and temperature of the system increases.
(∗) The glass tube is not dipped in the solution so as to collect enough, H 2gas. It is was dipped in H2SO4 solution would enter the tube presenting H2 gas to enter the tube.
(∗) H2gas is collected by downward displacement of water.
(∗) H 2 gas is insoluble in water.
(∗) H2gas is lighter than air.
Explanation:
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