Q. The noble gas which occurs most abundantly in the atmosphere is

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Q. Production of alcohol by fermentation of molasses is an __________ process.

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Q. Main constituents of portland cement are calcium aluminate and

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Q. Pick out the wrong statement.

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Q. Common salt is generally not produced commonly by __________ method from brine.

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Q. Which of the following is a detergent ?

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Q. Sulphuric acid is mainly used in the __________ industry.

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Q. Pick out the wrong statement pertaining to nitric acid.

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Q. Alcohol percentage in molasses may be around

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Q. Main use of hydrazine is

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Q. Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

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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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