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CHEMISTRY

Chemistry
The minimum energy required for an effective collision is

Threshold energy
Internal energy
Activation energy
Free energy

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Chemistry
Which of the following produces highest amount of energy upon oxidation?

Protein
Fat
Glucose
An alkane

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Chemistry
Which of the following has least negative electron gain enthalpy

F
S
P
Cl

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Chemistry
Entropy of Universe is always

Increasing
Decreasing
Constant
Zero

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

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