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Questions and Answers
What is the difference between stone and glass in terms of transparency?
What is the difference between stone and glass in terms of transparency?
Stone is transparent, while glass is opaque.
What is the difference between a notebook and an eraser in terms of lustre?
What is the difference between a notebook and an eraser in terms of lustre?
A notebook has lustre, while an eraser does not.
What happens when chalk is mixed with water?
What happens when chalk is mixed with water?
Chalk dissolves in water.
What happens when a piece of wood is placed in water?
What happens when a piece of wood is placed in water?
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What happens when sugar is mixed with water?
What happens when sugar is mixed with water?
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Study Notes
Properties of Materials
- Stone is not transparent, it is opaque.
- Glass is transparent.
- A notebook has lustre, meaning it reflects light, while an eraser does not.
- Chalk does not dissolve in water.
- A piece of wood can sink or float in water, depending on its density.
- Sugar dissolves in water.
- Oil and water do not mix, they are immiscible.
- Sand settles down in water because it is denser than water.
- Vinegar dissolves in water.
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