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CHEMICAL PROCESS

Chemical Process
Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Reverse osmosis
Lime soda
Sand filter
Permutit

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Chemical Process
Stereospecific agents are exemplified by

Supported metal oxide catalysts
Ziegler catalysts
Radiation
All of these

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Chemical Process
High purity nitrogen is used in

Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils
Fire fighting purposes
Neither A nor B
Both A & B

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Chemical Process
Which of the following impurities in feed water for high pressure boiler is the most detrimental?

Dissolved salt
Silica
Suspended salt
Dissolved oxygen

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Chemical Process
Essential oils are usually obtained using

Leaching
Steam distillation
Solvent extraction
Extractive distillation

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