The correct answer is C: Calcium carbonate in water is a solution
I) sodium hydroxide + hydrocholric acid ---> sodium chloride + water
ii) calcium hydroxide + sulphuric acid --> calcium sulphate + water
iii) magnesium hydroxide + nitric acid ---> magnesium nitrate + water
→
is the copper half-cell when the cell operates.
<h3>What is half cell reaction?</h3>
A half-cell reaction is either an oxidation reaction in which electrons are lost, or a reduction reaction where electronic are gained.
The reactions occur in an electrochemical cell in which the electrons are lost at the anode through oxidation and consumed at the cathode where the reduction occurs.
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is the copper half-cell when the cell operates.
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Answer:
Swimming pool is an example of solution
Explanation:
It has water (solvent) and dissolve ion (solute)