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Question
Define matter.
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Solution
Anything that has mass and occupies space is called matter.
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RELATED QUESTIONS
Give reason Pure substances have fixed melting or boiling point .
Name the phenomenon which causes the Conversion of water into steam is
The molecules of each substance are identical.
Name the smallest particle from which matter is made up.
Give one difference between atoms and molecules.
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 |
Give two examples.
Liquid element
Give a reason for the following:
An empty tumbler lowered into a glass beaker containing water, on tilting shows bubbles of air coming out, but when not tilted, no bubbles are seen.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
