Matter in Our Surroundings
Which of the following can be expressed in grams per litre of a gas?
(1) Density
(2) Equilibrium constant
(3) Molar mass
(4) Freezing point
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Matter in Our Surroundings
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
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Matter in Our Surroundings
Which of the following is the most precise for measuring the volume of a liquid?
(1) Test tube
(2) Graduated cylinder
(3) Burette
(4) Volumetric flask
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Matter in Our Surroundings
Which of the following is made by hydrolysis of starch ?
(1) glucose
(2) fructose
(3) sucrose
(4) maltose
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Matter in Our Surroundings
In a substance, particles vibrate so fast that their fixed position break down and then they move freely. It represents:
(1) a relationship between absolute temperature and the kinetic energy of particles
(2) It represents relationship between volume and temperature at constant pressure
(3) a state in which the liquid and gas phases are in equilibrium
(4) solid phase changing to the liquid phase
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Matter in Our Surroundings
Which one of the following is a pseudo solid?
(1) Calcium fluoride
(2) Glass
(3) Sodium chloride
(4) All of the above
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Matter in Our Surroundings
The dispersion of any liquid in a liquid is known as
(1) gel
(2) gum
(3) gelatin
(4) emulsion
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Matter in Our Surroundings
The path of light gets illuminated when passed through the solution –
(1) Blood solution(aq)
(2) Brine solution(aq)
(3) Copper sulphate solution(aq)
(4) Acetic acid solution(aq)
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Matter in Our Surroundings
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
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
