Basic concepts
Determination of correct mol. Mass from Roult's law is applicable to :
Provide solution of this question. According to Raoult's law the relative lowering of vapour pressure of a solution of volatile substance is equal to: (a) Mole fraction of the solvent (b) Mole fraction of the solute (c) Weight percentage of a solute (d) Weight perc
Unit of measurement- These are also some systems for units: (1)
Select the right answer of the question. The vapour pressure of two liquids P and Q are 80 and 600 torr, respectively. The total vapour pressure of solution obtained by mixing 3 mole of P and 2 mole of Q would be: (a) 140 torr (b) 20 torr (c) 68 torr (d) 72 torr
What do you mean by the term Organic Chemistry? Briefly define the term?
Differentiate between the modern periodic table and Mendeleevs table?
Whether HCl is a base or an acid? Briefly state your comments?
Select the right answer of the question. If one mole of any substance is present in of solvent, then: (a) It shows molar concentration (b) It shows molal concentration (c) It shows normality (d) It shows strength.
Illustrate is HCl an acid or a base ?
Why do various medications include the hcl? Describe briefly?
The diazonium salts are represented by the general formula ArN2 +X where X- ion may be anion such as (Cl) ¨, B ¨r, HSO
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