Advertisements
Advertisements
प्रश्न
Write the properties of this substance.
Soil
Advertisements
उत्तर
- Essentially, the color of soil (brown, yellow, or red) is determined by ferric or oxidized iron compounds.
- In general, the more organic content a soil contains, the darker its color.
- The temperature of the soil increases as the organic content increases, as the darker color indicates that it absorbs more heat.
संबंधित प्रश्न
Write the properties of this substance.
Chalk
Write the properties of this substance.
Coal
Short Answer Type Question:
Metals have lustre (shine). Give the reason why some metal articles become dull and loose their shine.
Short Answer Type Question:
Metals generally occur in solid state and are hard. Name a metal that exists in liquid state and a metal that is soft and can be cut with knife.
Short Answer Type Question:
Why is water called a universal solvent?
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 the following figure, iron nail is replaced by a wooden stick, will the bulb glow or not? Justify your answer.
During summer holidays, a group of children collected a lump of salt, green grass, broken glass piece, a small thermocol box, pen, iron nail, glass marbles, hair, naphthalene ball, a piece of sugar candy (mishri) and tried to group them on the basis of properties given in table below. Help them in filling the table.
| Name of the material |
Appearance (Hard/Soft) |
Transparency (Transparent/ Translucent/ Opaque) |
Floats/ Sinks in water |
Soluble/ Insoluble in water |
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
soekrnee
