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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.
Chalk
Write the properties of this substance.
Sugar
What will happen if....? And why?
Nails are made of plastic.
Very Short Answer Type Question:
Is a substance which can be compressed soft or hard?
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 the naturally occurring hardest substance known.
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:
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
Find out the names of three metals and three non-metals from the box given as figure.
