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Stoichiometry

Stoichiometry
Which of the following is not a unit of pressure?

Bar
Parsec
Newton/metre²
Kilo-pascal

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Stoichiometry
For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction)

Δ H
>ΔH

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Stoichiometry
Real gases approach ideal behaviour at

High pressure & high temperature
Low pressure & high temperature
Low pressure & low temperature
High pressure & low temperature

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Stoichiometry
Validity of the relationship, inputs = outputs, holds good for the system at steady state

Without chemical reaction
None of these
With chemical reaction
Without chemical reaction & losses

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Stoichiometry
pH value of a solution containing 1 gm of hydrogen ion per litre will be

10
1
7

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Stoichiometry
Elements in a periodic table are arranged in order of their

Mass number
Atomic weight
Metallic characteristics
Atomic number

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