Advertisements
Advertisements
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 |
Advertisements
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.
Ink
Write the properties of this substance.
Soap
What will happen if....? And why?
Nails are made of plastic.
Very Short Answer Type Question:
Write two gases which are soluble in water.
Short Answer Type Question:
Metals have lustre (shine). Give the reason why some metal articles become dull and loose their shine.
Long Answer Type Question:
Describe an experiment to prove that water is transparent.
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:
If in the following figure, iron nail is replaced by a wooden stick, will the bulb glow or not? Justify your answer.
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
soekrnee
