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प्रश्न
Name one metal and one non-metal which exist as liquids at room temperature.
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उत्तर
Mercury (metal) and bromine (non-metal), exist as liquid at room temperature.
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संबंधित प्रश्न
Explain the following giving an example.
Colloid
Which of the following will show the “Tyndall effect”?
- Salt solution
- Milk
- Copper sulphate solution
- Starch solution
State whether the following statement is true or false :
Milk is a pure substance.
Give two examples.
Colloid
Write scientific reason.
Constituent substances of a colloid cannot be separated by ordinary filtration.
State whether true or false. If false, correct the statement.
Liquid–liquid colloids are called gel.
Explain Tyndall effect and Brownian movement with suitable diagram.
Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do.
The solution of soap in water is ______.
What are colloidal solutions?
