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Question
Write the properties of this substance.
Iron ball
Solution
- Iron is a substantial metal.
- The iron exhibits both malleability and ductility.
- The iron has the capacity to fabricate filaments or sheets. Iron is utilized in the production of a variety of apparatus.
- Iron exhibits thermal conductivity and electrical conductivity. Consequently, iron is utilized in the construction of numerous devices.
- Iron also possesses sonority.
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Name two gases which are insoluble in water.
Find the odd one out from the following:
If in figure given above, iron nail is replaced by a wooden stick, will the bulb glow or not? Justify your answer.
You are provided with the following materials
- magnifying glass
- mirror
- stainless steel plate
- glass tumbler
Which of the above materials will you identify as transparent?
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 |
Chalk, iron nail, wood, aluminium, candle, cotton usually look different from each other. Give some properties by which we can prove that these materials are different.
