The correct answer among the choices given is option A. Hydrochloric acid is a much stronger acid than sulfuric acid given that the concentration both is equal. This can be proved by the pKa of these acids. Hydrochloric acid has a pKa of -6 while the pKa of sulfuric acid is -3. The lower the value of the pKa, the stronger the acidity of the substance.
Answer:
- The metal industry uses large quantities of copper sulphate as an electrolyte in copper refining, for copper coating steel wire prior to wire drawing and in various copper plating processes
.
- The mining industry employs it as an activator in the concentration by froth flotation of lead, zinc, cobalt and gold ores
.
- The paint industry uses it in anti-fouling paints and it plays a part in the colouring of glass.
Explanation:
Hello,
In this case, since copper sulphate also known as blue stone, blue vitriol is more commonly found in a pentahydrated cupric sulphate due to its stability. In fact it is often the starting raw material for the production of other varied copper-based salts. Henceforth, you will find three applications.
- The metal industry uses large quantities of copper sulfate as an electrolyte in copper refining, for copper coating steel wire prior to wire drawing and in various copper plating processes
.
- The mining industry employs it as an activator in the concentration by froth flotation of lead, zinc, cobalt and gold ores
.
- The paint industry uses it in anti-fouling paints and it plays a part in the colouring of glass.
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Answer:
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Hello,
Here is your answer:
The proper answer to this question is option C "stigma".
Here is how:
The stigma is responsible for producing pollen in a plant.
Your answer is C.
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Hope this helps!