Q. Aqueous nitric acid is stored in __________ vessel.

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Q. A metallic alloy in which one of the constituent metal is __________ , is called an amalgam.

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Q. The material of construction of bearings is

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Q. Hastelloy comprises of

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Q. Metalloid is

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Q. Stainless steel contains

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Q. Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by

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Q. An alloy of iron containing 4% carbon is called

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Q. Steel pipes are normally manufactured by __________ process.

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Q. Polymorphism is not exhibited by

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Q. Rubber lined vessels are corroded by the action of

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Q. Graphite is corroded by

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Q. Carbon is present in the uncombined (graphitic) form in case of

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Q. Among the tin containing alloys, __________ consumes the maximum amount of tin.

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Q. The hardest material just prior to diamond in Mhos scale is

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Q. The damage/deterioration of metals by the __________ action of fluids is called 'erosion'.

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Q. Plasticisers are added to polymers to improve their

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Q. Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of

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Q. The softest material in Mho's scale (for measuring hardness) is

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Q. Acetaldehyde is shipped in __________ drums.

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