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Chemistry

Chemistry
The residue left after extracting juice from sugarbeet and sugarcane is called

Biomass
Whey
Bagasse
Molasses

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Chemistry
Formation of ozone hole is maximum over

Europe
India
Africa
Antarctica

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Chemistry
The pH of lemon juice is expected to be

More than 7
Less than 7
Equal to 7
Nothing can be predicted

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Chemistry
Which of the following appeared to be with a significant potential for accumulation through food chains ?

Parathion
Lindane
DDT
Carbary

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Chemistry
The most extensive, commercially useful source of thorium as monazite sand occurs in India at

Gujarat coast
Travancore coast
West Bengal coast
Orissa coast

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Chemistry
In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by :

Increasing the concentration of a product
Increasing the temperature
Increasing the concentration of a reactant
Adding a catalyst

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