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Preparation of Sulphuric Acid- 2 Video Lecture - JEE
FAQs on Preparation of Sulphuric Acid- 2 Video Lecture - JEE
| 1. What is the chemical formula for sulphuric acid? |  |
Ans. The chemical formula for sulphuric acid is H2SO4.
| 2. What is the main use of sulphuric acid? | |
Ans. Sulphuric acid is widely used in various industries including fertilizers, dyes, detergents, and petroleum refining. It is also used in the manufacturing of batteries, explosives, and pharmaceuticals.
| 3. How is sulphuric acid prepared? | |
Ans. Sulphuric acid can be prepared by the contact process. In this process, sulphur is burned to form sulphur dioxide gas (SO2) which is then oxidized to sulphur trioxide (SO3) using a catalyst such as vanadium pentoxide. The sulphur trioxide is then dissolved in water to obtain sulphuric acid.
| 4. What are the hazards associated with sulphuric acid? | |
Ans. Sulphuric acid is highly corrosive and can cause severe burns if it comes into contact with the skin or eyes. It is also toxic if ingested or inhaled. It is important to handle sulphuric acid with caution and use appropriate safety measures such as wearing protective clothing and goggles.
| 5. Can sulphuric acid be stored indefinitely? | |
Ans. Sulphuric acid can be stored for a long time if it is kept in a tightly sealed container and stored in a cool, dry place. However, over time it may react with the container material or absorb moisture from the air, which can reduce its effectiveness. It is recommended to check the quality and condition of sulphuric acid regularly before use.
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