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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.
Flour
What will happen if....? And why?
Nails are made of plastic.
Very Short Answer Type Question:
Is a substance which can be compressed soft or hard?
Short Answer Type Question:
Kerosene, coconut oil, mustard oil do not dissolve in water, even on shaking. They separate after sometime forming two different layers. Explain why.
Short Answer Type Question:
Name a non-metal that has lustre.
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:
Given below are the names of some objects and materials:
Water, basketball, orange, sugar, globe, apple, and earthen pitcher
Group them as:
- Round shaped and other shapes
- Eatables and non-eatables
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?
