Question
What are the uses of $H _2 SO _4$ ?
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Answer
$H _2 SO _4$ has following uses :
- In the preparation of $HNO _3, HCl , H _2 PO _4, Na _2 CO _3$ sulphates, alums, alcohols, ethers, etc.
- In the manufacture of dyes, fertilizers like ammonium sulphate, super phosphate, detergents.
- As an electrolyte in lead storage battery.
- As a dehydrating agent.
- As an oxidising agent.
- For refining petroleum.
- As a pickling agent for removing layers of basic oxides from the metal surfaces like Fe, Cu, etc. before the metals are galvanized, electroplated, etc.
- It is used as a laboratory reagent.
- It is used in the manufacture of nitrocellulose products.
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