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प्रश्न
Write the properties of this substance.
Chalk
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उत्तर
- Chalk is a solid material.
- It is not soluble in water.
- Brittleness is a characteristic of chalk.
- When subjected to pressure, chalk disintegrates into fine particles.
संबंधित प्रश्न
Write the properties of this substance.
Glass
Write the properties of this substance.
Salt
Write the properties of this substance.
Coal
Short Answer Type Question:
Metals generally occur in solid state and are hard. Name a metal that exists in liquid state and a metal that is soft and can be cut with knife.
Long Answer Type Question:
Describe an experiment to prove that water is transparent.
Materials which can be drawn into wires are called ductile. Which of the following is not a ductile material?
If in the following figure, iron nail is replaced by a wooden stick, will the bulb glow or not? Justify your answer.
Find out the names of three metals and three non-metals from the box given as figure.
You are provided with the following materials
- Magnifying glass
- Mirror
- Stainless steel plate
- Glass tumbler
Which of the above materials will you identify as transparent?
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
gavnier
