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Stoichiometry

Stoichiometry
One micron is equal to __________ cm.

44110
44108
44112
44106

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Stoichiometry
__________ kg of CaCO₃ on heating will give 56 kg of CaO.

56
100
1000
144

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

>ΔH
Δ H

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Stoichiometry
In case of a ternery system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the

Temperature
Solute concentration
Neither A nor B
Both A & B

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Stoichiometry
Avogadro's number is equal to

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Stoichiometry
What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20)?

AB₂
A₂B₃
A₂B
AB₃

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