Question

what are all the properties of materials on the basis of them we sort them ?
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Answer 1

Answer:

The materials are classified on the basis of certain properties such as:

Appearance.

Hardness or softness.

Solubility and insolubility in water.

Heaviness or lightness with respect to water.

Transparency, translucency or opaqueness.

Answer 2

Properties of materials:-

Transparency/Opaque:

• The amount of light material allow passing through it is transparency of the material.
• The maximum amount of light to pass through the material, therefore, they are transparent materials. Examples: Plastic, Air, and Glass.
• Translucent materials are, which that only allow light to pass through them partially.
• Examples: Oiled paper, Coloured syrup, and some sheer materials.
• An opaque object is the materials are, which don’t allow any light to pass through them. Examples: Wood, Cardboard, and Metals

Appearance of materials:-

• The look, feel, texture in addition to lustre, colour and quality defines the property of appearance of the material.

Soluble/Insoluble:

• The nature of the material to completely dissolve in water and therefore termed as soluble material.
• Materials are completely dissolvable in water, therefore, they are soluble materials.
• Examples: Lemon juice, Sugar and Salt. materials don’t completely dissolve in water, they form a thin film over the surface of the water, therefore, they are iron rods and copper wires.
• Examples: Oil, Kerosene and Sawdust.

Float/Sink:

• weight of the material helps to define this property.
• The material is lightweight it will float over the surface, therefore, they are floating material.
• Examples: Insoluble materials like Sawdust, Oil, Plastic and Wood.
• The material is heavyweight it will sink in water, therefore, they are sinking materials. Examples: Stone and Metals

Heat and electricity conductivity:

• Materials that allow heat and electricity pass through the material and hence called good conductors of heat and electricity.
• Good conductor of heat and electricity are which allow the head and electricity pass through them.
• Examples: Iron rods and copper wires.
• Bad conductors are the materials which don’t allow heat and electricity pass through them.
• Examples: hydrochloric acid.

State of a material:

• Compactness and the consistency of the materials describe the state of a material.
• There are 3 states in which a material can be classified and they are as solid, liquid and gaseous.
• Solid materials are the most compact and the particles are densely packed.
• Examples: Wood, Paper and Glass.
• Liquid materials are less compact and particles are moderately densely packed.
• Examples: Water, Oil and Kerosene.
• Gaseous materials are least compact and particles are loosely packed.
• Examples: Air.

In these choose any points you need.

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