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प्रश्न
Write the properties of this substance.
Soap
उत्तर
- There are various varieties of soap.
- Certain detergents are solid, while others are liquid. Some soaps are in the form of blocks, while others are in the form of powders.
- Soaps are soluble in water and undergo the formation of soap solutions.
- Soaps are manufactured using a variety of chemicals.
संबंधित प्रश्न
Write the properties of this substance.
Soil
What will happen if....? And why?
Nails are made of plastic.
Very Short Answer Type Question:
Write two gases which are soluble in water.
Very Short Answer Type Question:
Name two gases which are insoluble in water.
Short Answer Type Question:
Write any four properties of materials.
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.
Find out the names of three metals and three non-metals from the box given as figure.
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.
milaunuim
