9th Chemistry Unit 7 Solution & Suspension MCQs Sindh Board

 9th Grade Chemistry Chapter 7 Solution & Suspension Sindh Board MCQs Notes Online Chapter Wise Question Answers. Sindh Boards Chemistry Subject Notes For Exams Preparations Karachi, Jamshoro, Sindh Boards. Chemistry class Ninth sindh board notes Unit 7 Solution & Suspension Most Repeated Multiple Choice Questions With Answers. Chemistry notes for class IX sindh board karachi Boards.

9th Chemistry Sindh Board MCQs

Q.1: The suspended particles in suspensions are generally of the size.?

1. 100nm
2. 10nm
3. 100nm
4. 1mm

C

Q.2: The sum of the mole fractions of solute and solvent is equal to:?

1. 0
2. 1
3. 2
4. 5

B

Q.3: Solubility is defined as the amount of solute in solvent at a given temperature, dissolved in --------- of the solvent.?

1. 10g
2. 20g
3. 100g
4. 2000g

C

Q.4: The process in which a solid directly changes to vapours is known as.?

1. Evaporation
2. Sublimation
3. Fusion
4. Diffusion

B

Q.5: The solubility of a gas ---------- with the rise in temperature.?

1. Decrease
2. None of these
3. Normal
4. Increase

A

Q.6: A homogeneous mixture of two or more substance is called:?

1. solvent
2. solute
3. solution
4. none of these

C

Q.7: When the water is solvent the solution is called ---------- solution.?

1. unsaturated
2. saturated
3. aqueous
4. supersaturated

C

Q.8: Which type of mixture is cloud?

1. liquid in gas
2. gas in liquid
3. solid in gas
4. gas in gas

A

Q.9: Which type of mixture is air?

1. gas in liquid
2. gas in gas
3. liquid in solid
4. gas in solid

B

Q.10: How many types of solutions are produced on mixing solid, liquid and gas?

1. 6
2. 7
3. 8
4. 9

D

Q.11: The solubility of sugar in water at 100C is:?

1. 189g/100ml
2. 179g/100ml
3. 487g\ 100ml
4. 478g/100ml

C

Q.12: The solubility of a --------- in a liquid is directly proportional to the pressure of gas:?

1. gas
2. liquid
3. solid
4. none of above

A

Q.13: A solution containing less solute than its capacity to dissolve is:?

1. saturated solution
2. aqueous solution
3. unsaturated solution
4. supersaturated solution

C

Q.14: When number of moles of solute are dissolved in 1 litre (1dm³) of a solution, than solution is said to be:?

1. molar solution
2. molal solution
3. percentage solution
4. normal solution

A

Q.15: It is heterogeneous mixture:?

1. suspension
2. none of these
3. solute
4. solution

A

Q.16: Homogenous mixture of solute and solvent is called a:?

1. Solute
2. Solution
3. Suspension
4. Solvent

B

Q.17: The solution that contains 1 mole of solute in 1 dm³ of solution is called a:?

1. Molal
2. Molar
3. Saturated
4. Normal

B

Q.18: 2 moles of water is equal to:?

1. 46g
2. 56g
3. 36g
4. 18g

C

Q.19: One litre is equal to:?

1. 500 cm³
2. 100 cm³
3. 1000 cm³
4. 10 cm³

C

Q.20: A solution formed by mixing only two substances is called a:?

1. Unified solution
2. Binary solution
3. Saturated solution
4. Colloidal Solution

B

Q.21: Supersaturated solutions are:?

1. Volatile
2. Constant
3. Stable
4. Unstable

D

Q.22: There are how many ways of representing percent concentration:?

1. Two
2. Three
3. Four
4. One

C