Question

hey mate please answer these questions. remember that there is only 1 answer in all 4 options
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Answer 1

1. The solute particles did not dissolve and the particles are visible to the naked eyes. Such heterogeneous mixtures are called

a) Emulsions ☓

b) True solution ☓

c) Suspension ✓

d) Colloidals ☓

Option c

2. Which of the following is Emulsion?

a) Oil in water ☓

b) Kerosene in water ☓

c) Salt in water ☓

d) Both a and b ✓

Option d

3. The colloidal solutions are heterogeneous in nature and always consists of at least two phases. What are they?

a) Disperse phase ☓

b) Dispersion medium ☓

c) Solution ☓

d) Both a and b ✓

Option d

4. What kind of solution in milk?

a) Suspension ☓

b) Colloidal ✓

c) True solution ☓

d) Alloy ☓

Option b

5. What kind of Colloidal solution is an emulsion?

a) Solid dispersed in solid ☓

b) Liquid dispersed in liquid ✓

c) Gas dispersed in liquid ☓

d) Liquid dispersed in solid ☓

Option b

6. In which of the following does scattering of light takes place?

a) Electrolytic Solution ☓

b) Colloidal Solution ✓

c) Electro dialysis☓

d) Alcohols ☓

Option b

7. What can be observed when sunlight is passed through a colloidal solution?

a) Adsorption ☓

b) Coagulation ☓

c) Tyndall effect ✓

d) Brownium motion ☓

Option c

8. The size of colloidal particles are

a) 1 - 100 nm ☓

b) 100 - 1000 nm ✓

c) > 1000 nm ☓

d) < 1 nm ☓

Option b

9. Which of the following pairs of Colloidal solutions have dispersed phase as liquid and dispersing medium as gas?

a) Fog, mist ✓

b) Butter, milk☓

c) Fog, smoke ☓

d) Smoke, foam ☓

Option a

10. Which of the following, the components can be separated from the mixture by the process of the filtration or decantation?

a) Colloids ☓

b) Suspension ✓

c) True solution ☓

d) All ☓

Option b

Answer 2

1. The solute particles did not dissolve and the particles are visible to the naked eyes. Such heterogeneous mixtures are called

$\longrightarrow \sf\blue{c)\:Suspension}$

2. Which of the following is Emulsion?

$\longrightarrow \sf\blue{d)\:Both\:a\:and\:b}$

3. The colloidal solutions are heterogeneous in nature and always consists of at least two phases. What are they?

$\longrightarrow \sf\blue{d)\:Both\:a\:and\:b}$

4. What kind of solution in milk?

$\longrightarrow \sf\blue{b)\:Colloidal }$

5. What kind of Colloidal solution is an emulsion?

$\longrightarrow \sf\blue{b)\: Liquid\:dispersed\:in\:liquid}$

6. In which of the following does scattering of light takes place?

$\longrightarrow \sf\blue{b)\:Colloidal\:Solution}$

7. What can be observed when sunlight is passed through a colloidal solution?

$\longrightarrow \sf\blue{c)\:Tyndall\:effect}$

8. The size of colloidal particles are

$\longrightarrow \sf\blue{b)\:100 - 1000\:nm}$

9. Which of the following pairs of Colloidal solutions have dispersed phase as liquid and dispersing medium as gas?

$\longrightarrow \sf\blue{a)\:Fog,\:mist}$

10. Which of the following, the components can be separated from the mixture by the process of the filtration or decantation?

$\longrightarrow \sf\blue{b)\:Suspension}$