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प्रश्न
Write the properties of this substance.
Coal
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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.
Pen
What is it made from? Why?
A screwdriver
Why does this happen?
The fragrance of incense sticks lighted in one corner of a room spreads to the other corner.
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.
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 the following figure, 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?
You are provided with the following materials – turmeric, honey, mustard oil, water, glucose, rice flour, groundnut oil.
Make any three pairs of substances where one substance is soluble in the other and any three pairs of substances where one substance remains insoluble in the other substances.
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
milaunuim
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
gavnier
