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Stoichiometry

Stoichiometry
Number of gm moles of solute dissolved in 1 kg of solvent is called its

Molality
Normality
Molarity
Formality

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Stoichiometry
Dry air is a mixture of

Vapors
Gases
Neither A nor B
Both A & B

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Stoichiometry
NaOH contains __________ percent oxygen.

10
40
16
1

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Stoichiometry
Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is

58.65
32.2
45.35
20

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Stoichiometry
One Newton is equal to __________ dynes.

10³
10²
10⁴
10⁵

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Stoichiometry
One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. If the average specific heat of all the gases/vapour is 40 J/mole.K, the maximum temperature rise of the exhaust gases in °C would be approximately equal to

1525
1335
1735
1225

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