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Chemical Process

Chemical Process
The enzyme which converts starch into the disacharides maltose is

None of these
Maltase
Diastase
Yeast

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Chemical Process
Bio-degradable detergents

Can be readily oxidised
Should not be used as it spoils the cloth
Pose problem in sewerage plant
Have an isoparaffinic structure

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Chemical Process
Bromine is used in the preparation of

Dyes and antiknock compounds
All of these
Fire extinguishing compounds
Fire proofing agents

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Chemical Process
Sea water contains about __________ ppm of bromine.

500
5
70
1700

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Chemical Process
Blue vitriol is chemically

Copper sulphate
Ferrous sulphate
Aluminium sulphate
Copper nitrate

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Chemical Process
Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have

Compressive strength much greater than their tensile strengths
Low co-efficient of thermal expansion
Sharp melting points
High electrical insulation properties

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