The method to purify the colloidal solution (1) peptization (2) coagulation (3) dialysis (4) bredig's arc method
Which of the following represents correct statement? (1) The inter-molecular force of attraction between the molecules in a liquid is less when compared to solids. (2) The inter-molecular force of attraction between the molecules in a liquid is more when compared to solids. (3) The inter-molecular force of attraction between the molecules in a liquid is either more or less when compared to solids. (4) There is no inter-molecular force of attraction between the molecules in a liquid.
Which of the following is made by hydrolysis of starch ? (1) glucose (2) fructose (3) sucrose (4) maltose
A specific temperature and pressure where solid, liquid, and gas phases exist simultaneously, is called:
(1) the point of equilibrium (2) the triple point (3) the freezing point (4) the point where reactants first form products
Which process is used to separate a mixture of two miscible liquids A & B having boiling points 56°C and 65°C respectively? (1) Distillation (2) Fractional distillation (3) Sublimation (4) Steam distillation
Two identical beakers labeled as (X) and (Y) contain 100 cm3 of water each at 20oC. To the water in the beaker (X), 100g of water at 0o C was added and stirred to mix thoroughly. To the beaker (Y), 100g of ice at 0oC was added and stirred till it melted into water. The water in the beaker (Y) will be:
(1) hotter than water in beaker X (2) colder than water in beaker X (3) heavier than water in beaker X (4) lighter than water in beaker X