Q. __________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

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Q. L.D. converter is used in the production of

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Q. The terminology 'BTX' used in coal tar distillation industry refers to

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Q. Which of the following is not responsible for causing permanent hardness of water ?

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Q. Which of the following contains least amount of N₂ ?

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Q. Calcination of limestone is not done in a __________ kiln for producing lime.

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Q. Saponification value/number of an oil or fat is a measure of its

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Q. Ethyl alcohol cannot be produced

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Q. H₂S is scrubbed from refinery gases by absorption using

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Q. Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?

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Q. Zeolite is a/an

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Q. Type of glass used in optical work is the __________ glass.

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Q. Pick out the wrong statement pertaining to the soap manufacture.

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Q. Fusion of limestone and __________ produces high alumina cement.

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Q. Massacuits is a terminology used in the __________ industry.

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Q. The most economical pulp for the production of newsprint would be the __________ pulp.

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Q. Which of the following is the second major component of cement ?

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Q. Rotary kiln is not involved in the production of

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Q. Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

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Q. Vanillin is a type of

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