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प्रश्न
Write the properties of this substance.
Coal
उत्तर
- Coal is a hard substance.
- It is a fossil fuel that is readily combustible.
- It serves as an energy source.
- It is characterized by the predominant presence of carbon.
संबंधित प्रश्न
Write the properties of this substance.
Iron ball
Write the properties of this substance.
Soil
Write the properties of this substance.
Soap
Short Answer Type Question:
Name the naturally occurring hardest substance known.
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?
Find the odd one out from the following:
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
If in figure given above, iron nail is replaced by a wooden stick, will the bulb glow or not? Justify your answer.
Which type of the following materials is used for making the front glass (wind screen) of a car?
