Question

PLEASE tell me 2,3and 4 please​

Answer 1

Answer:

Sulfuric acid is a very important commodity chemical, and a nation's sulfuric acid production is a good indicator of its industrial strength. It is widely produced with different methods, such as contact process, wet sulfuric acid process, lead chamber process and some other methods.

Sulfuric acid is also a key substance in the chemical industry. It is most commonly used in fertilizer manufacture,but is also important in mineral processing, oil refining, wastewater processing, and chemical synthesis. It has a wide range of end applications including in domestic acidic drain cleaners,[11] as an electrolyte in lead-acid batteries, in dehydrating a compound, and in various cleaning agents.