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प्रश्न
Write the properties of this substance.
Chalk
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.
Flour
Very Short Answer Type Question:
Is a substance which can be compressed soft or hard?
Very Short Answer Type Question:
Name some substances which are made from plastics.
Very Short Answer Type Question:
Which is more hard, sponge or iron?
Long Answer Type Question:
How can you show that some solids like sugar, salt are soluble in water whereas solids like chalk powder and sand are not soluble in water?
List all items known to you that float on water. Check and see if they will float on an oil or kerosene.
Find the odd one out from the following:
Which type of the following materials is used for making the front glass (wind screen) of a car?
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
milaunuim
