Chemistry State of Matter (Solids) Mcqs Test Online Punjab 11th Class

Please wait...

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• >>

 0%

Question 1 of 17

Chemistry

1. When gaseous ions are allowed to form a crystal, energy

Has no effect

Is evolved

Is sometimes absorbed and sometimes released

Is absorbed

Question 1 of 17

Question 2 of 17

2. The temperature at which two or more than two types of crystals exist in equilibrium is called.

Transition temperature

Boiling point

Melting Point

Eutectic temperature

Question 2 of 17

Question 3 of 17

3. Iron acts as an electrical conductor due to

Free neutrons

Free ions

Electron cloud

Free protons

Question 3 of 17

Question 4 of 17

4. A crystal of the purple compound Potassium Permanganate placed at the bottom of a beaker of water and the beaker left until there is no further change. What will be observed?

A uniformly purple solution

A colourless liquid with the purple crystal unchanged

A Purple layer below a colourless layer

A colourless layer below a purple layer

Question 4 of 17

Question 5 of 17

5. The nature of bond in diamond is

Molecular

Covalent

Ionic

Metallic

Question 5 of 17

Question 6 of 17

6. Crystal Lattice is an arrangement of particles in

Two dimensions

Three dimensions

One dimension

Four dimensions

Question 6 of 17

Question 7 of 17

7. What method could be used to obtain copper from mixture of pondered copper and sodium chloride?

Adding excess water to the mixture and filtering

Fractional distillation of the mixture

Passing an electric current through the mixture

Heating the mixture

Question 7 of 17

Question 8 of 17

8. Lattice energy is also called

Crystal energy

Energy of affinity

Ionization energy

Bond Energy

Question 8 of 17

Question 9 of 17

9. A bottle of copper oxide has been contaminated with some sodium chloride. How can the NaCl be removed from the copper oxide?

Heat the mixture and allow it to cool

Add aqueous Ag NO₃ to the mixture

Add water to the mixture and filter

Place the mixture in a separating funnel

Question 9 of 17

Question 10 of 17

10. NaF and MgO have both atomic ration 1:1 in their crystals such property is

Polymorphism

Isomorphism

Allotropy

Isotropy

Question 10 of 17

Question 11 of 17

11. The results of the accurate weighing of some crystals are as follows:
Mass of weighing bottle empty = 25.652 gm
Mass of weighing bottle + crystals = 26.541 gm
What is the mass of the crystals?

1.111 gm

1.889 gm

0.889 gm

0.111 gm

Question 11 of 17

Question 12 of 17

12. The solids in which atoms, ions or molecules have random non-repetitive three dimensional arrangements are termed as:

Glasses

Crystals

Alloys

Amalgams

Question 12 of 17

Question 13 of 17

13. Lead and zinc can be separated by distillation because they have different.

Boiling point

Reactivities

Densities

Mass numbers

Question 13 of 17

Question 14 of 17

14. An insoluble solid was dropped into a measuring cylinder containing 50 cm³ of water. What will be the effect on volume of water?

50 cm³

17 cm³

65 cm³

15 cm³

Question 14 of 17

Question 15 of 17

15. Electric current can pass through graphite in one direction but not through other direction of crystal such a property is called

Allotropy

Polymorphism

Isomorphism

Anisotropy

Question 15 of 17

Question 16 of 17

16. Which of the following method is most suitable for obtaining a pure, dry sample of NaCl from a mixture of NaCl and sand?

Shake the mixture with water and distil off the sand

Shake the mixture with water. Filter and dry the substances on the filter paper.

Heat the mixture gently and collect the substances which boil off

Shake the mixture with water. Filter and evaporate the filtrate.

Question 16 of 17

Question 17 of 17

17. The spontaneous mixing of particles is called:

Diffusion

Evaporation

Boiling

Sublimation

Question 17 of 17

 Loading...

 

Other Related test

• Punjab 11th Class Biology Chapter 7 The Kingdom Protista Mcqs Test Online
• Punjab 10th Class English Chapter 1 Hazrat Muhammad (SAW) An Embodiment of Justice Mcqs Test Online
• Punjab 11th Class English The Man Who Was A Hospital Mcqs Test Online
• Punjab 9th class Urdu Ghazal Dil-e-Nadan Tujhe Hua Kya Hai Test Online Mcqs
• Punjab 9th Class Math Chapter 6 Algebraic Manipulation Mcqs Test Online
• Punjab 12th Class Biology Chapter 21 Cell Cycle MCQs Test Online
• Punjab 12th Class Pak Study Chapter 8 National Integration and Prosperity Mcqs Test Online
• Punjab 10th Class Urdu Chapter 3 Mirza Muhammad Syed Mcqs Test Online
• Punjab 12th Class Pak Study Chapter 3 Geography of the Islamic Republic of Pakistan Mcqs Test Online
• Punjab 10th Class Math Chapter 5 Set & Functions Mcqs Test Online