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12th West Bengal Board
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If two liquids A and B form minimum boiling azeotrope at some specific composition then

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Important Questions on Solutions

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12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 44
4 L of 0.02 M aqueous solution of NaCl was diluted by adding one litre of water. The molarity of the resultant solution is
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12th West Bengal Board
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NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 45

On the basis of information given below, mark the correct option.

Information: On adding acetone to methanol some of the hydrogen bonds between methanol molecules break.

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12th West Bengal Board
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NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 46
KH value for Ar(g),CO2(g),HCHO(g) and CH4(g) are 40.39,1.67,1.83×10-5 and 0.413 respectively.
Arrange these gases in the order of their increasing solubility.
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12th West Bengal Board
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NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 47
The normality of 98%H2SO4 (having d=1.8gm/mL) is
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12th West Bengal Board
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NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 48
Which of the following solutions has lowest freezing point?
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12th West Bengal Board
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NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 49
In the standardisation of Na2S2O3 using K2Cr2O7 by iodometry, the equivalent weight of K2Cr2O7 is
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12th West Bengal Board
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NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 50
The relative lowering of vapour pressure of a solvent by the addition of a solute is :
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12th West Bengal Board
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NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 51
At room temperature, two different aqueous solutions of glucose and sucrose of strength 0.1(M) have osmotic pressures P1 and P2 respectively, then