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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 |
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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.
Salt
Write the properties of this substance.
Flour
Write the properties of this substance.
Pen
What will happen if....? And why?
Nails are made of plastic.
Very Short Answer Type Question:
Name some substances which are made from plastics.
Very Short Answer Type Question:
Write two gases which are soluble in water.
Short Answer Type Question:
Why is water called a universal solvent?
Long Answer Type Question:
How can you show that some solids like sugar, salt are soluble in water whereas solids like chalk powder and sand are not soluble in water?
Find the odd one out from the following:
