Q. Builders are added in soap to act as

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Q. Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

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Q. Cement mainly contains

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Q. Sand and __________ is fused at 1300°C, to produce sodium silicate.

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Q. Coke used for the production of calcium carbide should have

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Q. Sucrose is a disaccharide consisting of

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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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