Advertisements
Advertisements
प्रश्न
Materials which can be drawn into wires are called ductile. Which of the following is not a ductile material?
विकल्प
Silver
Copper
Sulphur
Aluminium
Advertisements
उत्तर
Sulphur
Explanation:
Ductility is a characteristic property of metals. Sulphur is a non-metal, so it is not ductile. When stretched, sulphur break into pieces and do not form wires.
APPEARS IN
संबंधित प्रश्न
Write the properties of this substance.
Pen
Write the properties of this substance.
Soap
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 a tumbler not made with a piece of cloth?
Short Answer Type Question:
Metals generally occur in solid state and are hard. Name a metal that exists in liquid state and a metal that is soft and can be cut with knife.
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:
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.
