Advertisements
Advertisements
प्रश्न
Write the properties of this substance.
Coal
Advertisements
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.
Ink
Why does this happen?
The fragrance of incense sticks lighted in one corner of a room spreads to the other corner.
Very Short Answer Type Question:
Write two substances which are made from leather.
Short Answer Type Question:
Name a non-metal that has lustre.
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:
Materials which can be drawn into wires are called ductile. Which of the following is not a ductile material?
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?
Which among the following materials would you identify as soft materials and why?
Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board, cooked rice, pulses and fresh chapati.
