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Chemistry

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

Biomass
Bagasse
Molasses
Whey

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Chemistry
Which one of the following is found in kidney stones?

Calcium oxalate
Calcium acetate
Sodium chloride
Sodium oxalate

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Chemistry
Atomic number of an atom gives the number of which of the following ?

Neutrons and protons
Protons
Neutrons
Electrons

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Chemistry
Browning of paper in old books is caused by

Collection of dust
Oxidation of cellulose
Lack of aeration
Frequent use

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Chemistry
The molecule which has the highest percentage of ionic character among the following is

HI
HCI
HBr
HF

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Chemistry
The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is

Free radical
Carbocation
Carbene
Carbanion

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