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Sulphuric Acid Reactions and Properties Quiz

12 Questions

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Sulphuric Acid Reactions and Properties Quiz

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Questions and Answers

Why is concentrated sulphuric acid kept in airtight containers?

To maintain its concentration

To prevent contamination from other substances

To increase its reactivity

To prevent escape of harmful fumes (correct)

Which product is formed when hot and concentrated sulphuric acid reacts with copper?

Copper sulfate (correct)

Copper oxide

Copper nitrate

Copper chloride

What happens when HBr is treated with concentrated H${2}$SO${4}$?

Red-brown vapors are produced (correct)

Formation of white fumes

No reaction occurs

Formation of a green precipitate

Why does a piece of wood get blackened when treated with concentrated sulphuric acid?

It reacts with the carbon in wood Signup and view all the answers

What is the catalyst used in the process of manufacturing sulphuric acid?

Nickel Signup and view all the answers

Why is concentrated sulphuric acid preferred over nitric acid and hydrochloric acid for laboratory preparations?

It is less volatile than the other acids Signup and view all the answers

Which catalyst helps in the conversion of sulphur dioxide to sulphur trioxide in step B?

Platinum Signup and view all the answers

What type of substance will liberate sulphur dioxide from sodium sulphite in step D?

Acid Signup and view all the answers

What is the large-scale manufacturing process of sulphuric acid?

Contact Process Signup and view all the answers

Which property of sulphuric acid accounts for its use as a dehydrating agent?

Hygroscopic nature Signup and view all the answers

What property of concentrated sulphuric acid makes it an oxidizing agent?

Acidic nature Signup and view all the answers

Which compound has the highest boiling point among HCI, HNO3, and H₂SO₄?

$H_2SO_4$ Signup and view all the answers