Advertisements
Advertisements
Question
The molecules of each substance are identical.
Advertisements
Solution
This statement is true.
Explanation:
In a pure substance, all molecules are identical in composition and structure.
APPEARS IN
RELATED QUESTIONS
State whether the following statement is True or False:
Only water can exist in three different states
Write true or false for each statement. Rewrite the false statement correctly.
Solids can be compressed easily.
Select the correct alternative
The inter-molecular forces in liquids are
Write whether the following statement is true or false.
Solids have the largest inter-molecular space.
Write true or false for the statement. Rewrite the false statements correctly.
Matter cannot exist in different states.
Match the column.
| Column A | Column B |
| 1. iron and gold | a. molecules are very far apart |
| 2. melting | b. pure substance |
| 3. intermolecular space | c. non-metals |
| 4. compound | d. the space between the molecules |
| 5. gases | e. changes from solid to liquid |
| f. metals |
Multiple choice question.
Which one is a kind of matter:
In one sample of brass, the following ingredients were found: copper (70%) and zinc (30%). Identify the solvent, solute and solution from these.
Describe simple experiment to show that particles of matter have the intermolecular attraction
Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.
| List I | List II |
| 1. Arrangement of atoms, very closely packed | A: Solids |
| 2. Interparticle space is maximum | B: Liquids |
| 3. Force of attraction between particles is very weak | C: Gases |
| 4. Movement of particles is about their own position | |
| 5. Particles in the state of matter are slightly compressible and not closely packed. |
