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Chemistry

Chemistry
The gas used for artificial fruit ripening of green fruit is

Ethylene
Ethane
Acetylene
Methane

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Chemistry
The unit to measure the flow of water is

Micro Mho
Cusecs
Ohm meter
Milli curie

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Chemistry
The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is

methane
oxygen
helium
ozone

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Chemistry
What happens when a chemical bond is formed ?

Energy is neither released nor absorbed
More energy is released than is absorbed
Energy is always absorbed
Energy in always released

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Chemistry
The most reactive among the halogens is

Bromine
Chlorine
Iodine
Fluorine

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Chemistry
Which of the following methods is used in determining the number average molar mass of a macromolecule

Osmotic pressure
Sedimentation equilibrium
Viscosity
Light scattering

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MORE MCQ ON Chemistry

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