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:
Russians have a new social class of wealthy business people.
The CN tower is the tallest freestanding structure in the Western Hemisphere.
Explanation:
1-true
2-false (mainly aztecs used this technique)
3-true
4-true
5-false (we don't see slavery like we used to so false)
6-false (1808-1826 is when they started to become independent)
(hope this helps. I would say research 2 and 5 if you still want better answer. Have a great day!)
Answer:
1. low
Explanation:
because those people there is prefer to be singla than married.
