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CHEMISTRY

Chemistry
The minimum energy required for an effective collision is

Threshold energy
Activation energy
Free energy
Internal energy

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

An alkane
Fat
Glucose
Protein

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Chemistry
Which of the following has least negative electron gain enthalpy

F
P
S
Cl

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Chemistry
Entropy of Universe is always

Zero
Constant
Increasing
Decreasing

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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
Adding a catalyst
Increasing the concentration of a reactant

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