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प्रश्न
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 |
उत्तर
| Name of the material |
Appearance(Hard/Soft) |
Transparency(Transparent /Translucent/Opaque) |
Floats /Sinks in water |
Soluble/ Insoluble in water |
| Lump of salt | Hard | Opaque | Sinks | Soluble |
| Green grass |
Soft | Opaque | Floats | Insoluble |
| Broken glass piece |
Hard | Transparent | Sinks | Insoluble |
| Therm- ocol box | Soft | Opaque | Floats | Insoluble |
| Pen | Hard | Opaque | Floats | Insoluble |
| Iron nail | Hard | Opaque | Sinks | Insoluble |
| Glass marbles |
Hard | Transparent | Sinks | Insoluble |
| Hair | Hard | Opaque | Floats | Insoluble |
| Naph thalene ball |
Hard | Opaque | Floats | Insoluble |
| A piece of sugar candy | Hard | Opaque | Sinks | Soluble |
APPEARS IN
संबंधित प्रश्न
Write the properties of this substance.
Glass
Write the properties of this substance.
Flour
Write the properties of this substance.
Pen
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:
Write any four properties of materials.
Find the odd one out from the following:
Find the odd one out from the following:
Find the odd one out from the following:
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.
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
gavnier
