Answer:
Hydrogen is collected by downward displacement of water as it is less denser than water. Hence it comes out at the surface of water . It is insoluble in water so it does not dissolve in water
The angle- angle similarity postulate. It states that if a triangle has two equal corresponding angles the angles are similar.
The answer is b it is a combustion reaction
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You have OH- conc = </span>2.3 ✕ 10−6 m
From the formula, you can observe the ratio of Cu2+ to OH- is 4 : 6 = 2:3
So, for 2.3 ✕ 10−6 m OH-
[Cu2+] =

Answer:
is there a way of reducing light pollution at the edges of a forest work?