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Chemistry

Chemistry
The most reactive among the halogens is

Bromine
Chlorine
Iodine
Fluorine

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Chemistry
The basic chemical building block of natural rubber obtained from trees is

Acetylene
Neoprene
Isoprene
Vinyl Chloride

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Chemistry
The inherited traits of an organism are controlled by

nucleotides
enzymes
DNA molecules
RNA molecules

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Chemistry
Which among the following is found in chlorophyll ?

Ca2+
A l3+
Fe2+
Mg2+

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Chemistry
Detergents clean surfaces on the principle of

Elasticity
Surface tension
Floatation
Viscosity

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Chemistry
Urea is a

Sodium fertilizer
Potassium fertilizer
Nitrogenous fertilizer
Phosphatic fertilizer

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