Q. __________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.

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Q. Gun powder uses

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Q. Dichloro diphenyl __________ is the full form of DDT (an insecticide).

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Q. The basic difference between vegetable oils and fats is in their

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Q. Grignard reagent is chemically known as

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Q. The function of gypsum addition during cement making is to

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Q. Low purity oxygen is used for

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Q. __________ is produced using molasses as the starting raw material.

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Q. Pick out the wrong statement pertaining to the properties of glasses.

Glasses generally have

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Q. Which of the following is not a food additive?

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Q. Alum is commercially produced from

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Q. CaO is called

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Q. Starting raw material for the manufacture of maleic anhydride is

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Q. Pick out the wrong statement.

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Q. Concentration of sulphide ores is done usually by

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Q. Sodium carbonate (soda ash) is not used in the manufacture of

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Q. Viscose rayon

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Q. Nylon 6-6 is manufactured from

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Q. Glauber's salt is chemically represented by

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Q. Chemical name of Grignard reagent is

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