Punjab 9th Class Chemistry Chapter 5 Physical States of Matter Mcqs Test Online
Questions 10
Total Marks 20
Time 10 Mins

Punjab 9th Class Chemistry Chapter 5 Physical States of Matter Mcqs Test Online

Punjab 9th Class Chemistry Chapter 5 Physical States of Matter Punjab 9th Class

  • Chemistry
 

Question 1 of 10

Chemistry

1. Bromine has a melting point of -7°C and a boiling point of 59°C. What is the physical state of bromine at 100°C.

Question 1 of 10

Question 2 of 10

2. A liquid boils when its vapour pressure becomes equal to

Question 2 of 10

Question 3 of 10

3. The following table shows the melting and boiling points of four substances. Which substance is a solid at room temperature?
SubstanceMelting point (0°C)Boiling Point(0°C)
A-186-183
B-6120
C0100
D36130

Question 3 of 10

Question 4 of 10

4. Water normally boils at 100°C, but it is possible to boil water at room temperature. What variable would you have to change to do this:

Question 4 of 10

Question 5 of 10

5. Which is not the property of crystalline solids?

Question 5 of 10

Question 6 of 10

6. Which statement about the particles of a solid is not correct?

Question 6 of 10

Question 7 of 10

7. The boiling points of some elements are given below:
(a) Argon → -186°C (b) Nitrogen → -196°C
(c) Oxygen → -183°C (d) Xenon → -108°C
A mixture of the above gases at -210°C was heated by 20°C. Which of the element will still be in the liquid state?

Question 7 of 10

Question 8 of 10

8. In which of the following processes speed of the particles decreases?

Question 8 of 10

Question 9 of 10

9. Acetone has characteristic fragrant odour and is used to make finger nail polish. It melts at -94°C and boils at 56°C. What is the physical state of acetone at 25°C and 1atm.?

Question 9 of 10

Question 10 of 10

10. Consider the following table:
Sr. NoXYX/Y
11.002730.0037
21.373730.0037
31.734730.0037
42.105730.0037
Which of the following relationships does this table represent?

Question 10 of 10


 

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