Q. __________ iron is the purest form of iron.

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Q. Enamels

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Q. Pick out the wrong statement.

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Q. Molecular weights of polymers are in the range of

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Q. Sulphur removal by heating of pyrite ore in presence of air is called its

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Q. Deacon's method is used for the manufacture of

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Q. Pick out the true statement pertaining to water treatment.

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Q. Refractory bricks having high thermal conductivity is desirable, when it is to be used in the

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Q. Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

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Q. Plasticisers are added to paints to

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Q. Resistance to fusion of the refractory under a steady rising temperature condition is called

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Q. Portland cement consists mainly of

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Q. Kaoline is a/an

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Q. Hydrogenation of edible vegetable oils

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Q. Phenol is mainly used

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Q. Main constituent of dolomite is

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Q. Conversion of CO to CO₂ by steam in presence of a catalyst is called

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Q. Solvent extracted oil

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Q. Which of the following is not required in the manufacture of soda ash by Solvay process ?

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Q. Saponification number of an oil or fat

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