Chemistry Chapter 9 Solutions and Colloids Mcqs Test Online Class 11th Punjab

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• >>

 0%

Question 1 of 12

Chemistry

1. A solution of urea (Mol.Wt=60) is 10% (W/V). the volume in which 1 mole of it is dissolved will be

6dm³

0.6dm³

60cm³

0.54 dm³

Question 1 of 12

Question 2 of 12

2. 100g of a 10% (W/W) NaOH contains 10g of NaOH in

10g of H₂O

110g of H₂O

100g solution

100g of H₂O

Question 2 of 12

Question 3 of 12

3. Aerosol are colloids which contain
(a) A Solid dispersed in a liquid
(b) A solid dispersed in a gas
(c) A liquid dispersed in a gas
(d) A liquid in another liquid

a

a, b

c, d

b, c

Question 3 of 12

Question 4 of 12

4. All solutions containing 1g of non-volatile solutes will have

Same vapour pressure

All of a, b, c

Same boiling point

Same freezing point

Question 4 of 12

Question 5 of 12

5. The solubility of a substance decreases with increase in temperature if heat of solution is:

Negative

Positive

Zero

Cannot be predicted

Question 5 of 12

Question 6 of 12

6. 18g glucose is dissolved in 180g of water. The relative lowering of vapour pressure is:

0.01

1.8

0.001

1

Question 6 of 12

Question 7 of 12

7. Which of the following is not true of a colloid.

It is heterogeneous

Can pass through ultra filter paper

Its particles cannot be seen under ordinary microscope

Scatter light

Question 7 of 12

Question 8 of 12

8. Sea water has about 6 ppm dissolved oxygen. What mass of dissolved oxygen is present in one kg of sea water

6 x 10⁻³mg

6 x 10⁻³kg

6g

6 x 10⁻³g

Question 8 of 12

Question 9 of 12

9. Which of the following W/W solutions has the lowest freezing point?

34.2% sucorose

9% glucose

18% glucose

6% urea

Question 9 of 12

Question 10 of 12

10. Molarity of pure water is

1.8

18

55.5

1

Question 10 of 12

Question 11 of 12

11. Molarity of glucose solution when 9g of it is dissolved in 250 cm³ of solution is

0.2M

0.5M

0.25M

None of these

Question 11 of 12

Question 12 of 12

12. Which of the following is volatile

Urea

Sucrose

Glucose

Water

Question 12 of 12

 Loading...

 

Other Related test

• Punjab 11th Class Chemistry Chapter 8 Chemical Equilibrium Mcqs Test Online
• Punjab 11th Class Physics Chapter 8 Waves Mcqs Test Online
• Punjab 10th Class Chemistry Chapter 6 Atmosphere Mcqs Test Online
• Punjab 11th Class Biology Chapter 7 The Kingdom Protista Mcqs Test Online
• Punjab 9th Class Urdu Model Paper 3 Mcqs Test Online
• Punjab 11th Class Math Chapter 13 Inverse Trigonometric Functions Mcqs Test Online
• Punjab 9th Class English Chapter 7 Sultan Ahmad Masjid Mcqs Test Online
• Punjab 12th Class Physics Chapter 2 Current Electricity Mcqs Test Online
• Punjab 11th Class Urdu Zinda Shehar Murda Shehar Mcqs Test Online
• Punjab 12th Class Urdu Manzoor Mcqs Test Online