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Stoichiometry

Stoichiometry
Solutions having the same osmotic pressure are called __________ solutions.

Saturated
Isotonic
Ideal
Dilute

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Stoichiometry
Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.

-28.73
114.92
57.46
-57.46

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Stoichiometry
At room temperature, the product [H⁺] [OH⁻] in a solution is 10⁻¹⁴ moles/litre. If, [OH⁻] = 10⁻⁶ moles/litre, then the pH of the solution will be

12
10
8
6

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Stoichiometry
Which of the following is an exothermic reaction?

Decomposition of water
Dehydrogenation of ethane to ethylene
Conversion of graphite to diamond
None of these

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Stoichiometry
Avogadro number is the number of molecules in one __________ of a gas.

Gram
Gm.mole
Litre
Kilogram

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Stoichiometry
The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________

1019
1020
1023
1026

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