Answer:
The hydrogen gas is prepared in the laboratory required zink granules, dilute sulphuric acid or dilute hydrogen chloride, flask or woulfe’s bottle, and thistle funnel. by the downward displacement of water because it is a gas lighter than water
Reaction:
Zn (s)+2HCl (aq) →ZnCl2(aq)+H2(g)
Zn (s)+H2SO4(aq)→ZnSO4(aq)+H2(g)
The zinc granules are taken in a flask or Woulfe’s bottle and It is connected with the delivery tube to a water trough containing water. Dilute sulphuric acid is poured slowly from the thistle funnel. The hydrogen gas is released and collected in a gas jar by by the downward displacement of water as H2 gas lighter than water
Answer:
the answer is (c) the US Census Bureau
<span>Landslides refer to the process by which natural
forces move weathered rocks and soil from one place to another. This usually
occurs on a slope where the failure of materials results to the movement of
rock and soil. This debris is moved by the natural force of gravity which can
cause massive destructions in areas that are highly elevated. </span>
False
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Answer:
The correct arrangement would be 3. magnetosphere, core, mantle, crust, hydrosphere, atmosphere.
Explanation:
