Q. CaSO₄ .1/2H₂O is known as

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Q. __________ of quicklime produces slaked lime.

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Q. Main product in calcium carbide-water reaction is

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Q. Glauber's salt is chemically

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Q. Which of the following fuel gases contains maximum amount of carbon monoxide ?

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Q. Fourdrinier machine is used in the manufacture of

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Q. Pencillin is made employing __________ fermentation process.

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Q. Sulphuric acid saturated with SO₃ is called

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Q. Nylon 66 is so named because the

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Q. Wet chlorine gas produced during electrolysis of brine is dehydrated by

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Q. In the Solvay process, the product from the calciner is

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Q. Commercially ethylene is produced from naphtha by

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Q. Poly Vinyl Chloride (P.V.C.) is a __________ material.

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Q. Pig iron is produced by blast furnaces in India using mostly the iron ore named

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Q. The difference between saponification value and acid value is

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Q. Carbon disulphide is mainly used in the production of

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Q. 99.5% purity oxygen is used in

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Q. Permanent hardness of water can be removed by

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Q. Sizing material is incorporated in paper to

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Q. Which is a high grade pulp ?

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