<h2>
Answer:</h2>
[4] - 3/2 - 7/4 => - 6 - 7 /4 => - 13/4 => - 3¼.
<u>Correct choice</u> - ✔ [C] - 3¼.
[6] (a) - 729 = - 9³.
(e) 216 = 6³.
Because it has high electrical conductivity
A large quantity if hydronium ions indicates an Arrhenius acid.
Answer:
sulfur promotes oxide-reduction reactions.
Explanation:
In stagnant water, some solutes tend to precipitate. When Sulfur precipitate and touch a metal, Sulfur is being reduced and the metal is oxidated. This depends of potential redox of each element.
