Calcium Oxide, Calcium Carbonate, Plaster of Paris — Prelims Questions

Which of the following statements about Calcium Oxide (quicklime) is INCORRECT?

What is the chemical formula of Plaster of Paris and what is its primary use?

When carbon dioxide gas is passed through an aqueous solution of calcium hydroxide, a white precipitate is formed. If excess carbon dioxide is passed, the precipitate dissolves. What is the chemical formula of the substance that causes the precipitate to dissolve?

Which of the following is known as 'dead burnt plaster' and why does it lose its setting property?

Which of the following reactions represents the industrial preparation of quicklime?

Which of the following is a characteristic property of Plaster of Paris that makes it suitable for making surgical casts?