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Chemistry

Chemistry
The Fungus which is used in the alcohol industry is

Mushroom
Rhizopus
Candida Aibicans
Yeast

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Chemistry
In a period from Li to F, ionisation potential

Remains same
Increases
Decreases
Cannot be predicted

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Chemistry
Magnetite is

Fe2O3
FeCO3
Fe3O4
2Fe2O3. 3H2O

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Chemistry
Which one of the following contains maximum percentage of carbon ?

High speed steel
Stainless steel
Wrought iron
Cast iron

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Chemistry
Aluminium can be purified by

Ozonolysis
Distillation
Electrolysis
Oxidation

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Chemistry
________ is a by product of sewage treatment and can be decomposed to produce biogas

Sludge
Sewage
Scum
Sewer

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