Science General · Chemistry
Materials and Their Applications
2,794 Questions
Materials and Their Applications questions examine the properties and uses of raw materials like ceramics, cement, clay, and glass. This topic is a core component of general science in SSC, railways, and technical exams. Review these questions to master the practical applications of various compounds.
Ceramic insulatorsCement raw materialsSculpting and pottery clayGlassblowing materialsSustainable construction materials
Materials and Their Applications Questions
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Pitch
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Glass
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Graphite
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Plastic
C
Correct answer
Explanation
Graphite being a crystalline solid breaks with crystalline fracture.
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Carnelian stone
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Brass
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Bronze
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Steatite
B
Correct answer
Explanation
Brass was not invogue. However, copper was used besides gold and shells.
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medical
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string
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optical
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All of the above
C
Correct answer
Explanation
Flint glass or optical glass is used for making high precision optical instruments.
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Oil
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Sand
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Ball bearings
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Graphite
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Talcum powder
B
Correct answer
Explanation
Sand is used to increase friction, if sand is strewn on slippery ground during the rainy season then it becomes easier to walk on the ground.
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Mirror and glass
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Plastic sheet and cellophane
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Rock and coal
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Marble and granite
C
Correct answer
Explanation
Mirror, glass, cellophane and marble have a smooth surface but coal and rock have an uneven or rough surface.
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Properties of the material only
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Purpose of the object only
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Nature and colour of the material only
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Both properties of the material and purpose of the object
D
Correct answer
Explanation
To make an object, the selection of materials is done by following two criteria. Both, properties of the material and purpose of the object are important.
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Wood, paper, plastic
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Glass, cotton, steel
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Books, belt, newspaper
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Soil, leather, metal
C
Correct answer
Explanation
Raw materials are the ones which are used to make other useful materials, e.g. wood is used to make furniture, plastic is used to make toys and buckets, paper is used to make books, cotton is used to make quilts, etc. Books, belts and newspapers are the final products prepared by using paper, leather, etc. as the raw materials.
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Air, glass, cupboard
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Blackboard, bags, plywood
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Glass beaker, water, air
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Book, thermocol, cardboard
C
Correct answer
Explanation
Transparent objects are the ones through which light can easily pass, e.g. air, water, glass beaker, plastic, etc. but cardboard, cupboard, plywood, etc. are the examples of opaque objects.
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Metal: Jewellery, Wire
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Wood: Plough, Toys
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Cotton: Quilts, Shoes
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Plastic: Tumbler, Bags
C
Correct answer
Explanation
Metals are good conductors, malleable, ductile and lustrous. So, they are used in making jewellery and wires.
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Glass
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Wood
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Thermocol
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Tumbler
D
Correct answer
Explanation
Glass, wood and thermocol are raw materials used for making objects.
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Rubbing of sand paper on a polished ceramic tile
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Rubbing of sand paper on polished marble flooring
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Rubbing of sand paper on glass table top
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Rubbing of sand paper on iron sheet
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Rubbing of sand paper on sand paper
E
Correct answer
Explanation
This is the correct option. Maximum friction will be produced by rubbing of sand paper on sand paper.
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Tracing paper
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Black cloth
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Plastic sheet
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Metal sheet
A
Correct answer
Explanation
To make a pinhole camera, we need two cardboard boxes, a ruler to measure the length to cut out the boxes, and a tracing paper which acts as a translucent screen in the camera.
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Iron sheet
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Water
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Carbon paper
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Gold ring
C
Correct answer
Explanation
The object, which by reflecting light cannot form images, is said to have a non-reflecting surface. Now, one can see its image in water, in spoon, iron sheet, gold or silver objects, etc. but carbon paper is an object which does not form images and have a non-reflecting surface.
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Plastic ruler
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Frosted glass
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Glass pane
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Butter paper
C
Correct answer
Explanation
|
|
|
Transparent objects |
Allow light to pass through and can clearly see through them |
Water, air, glass, cellophane, plastic sheet |
Translucent objects |
Allow light to pass through partially and cannot see clearly through them |
Frosted glass, plastic ruler, butter paper |
Opaque objects |
Do not allow light to pass through and cannot see through them |
Table, chair, book, iron (or any metal) |
So, a glass pane is not translucent in nature.
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Grains
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Stone
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Sawdust
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Sand
C
Correct answer
Explanation
The component which can be blown away by the wind has to be lighter. Out of grains, sand, stone and sawdust, only sawdust is the impurity which is lighter in weight and can easily be blown off by wind.