Science General ยท Chemistry
Materials and Their Applications
2,856 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
Which ceramic material is commonly used in the production of dinnerware, pottery, and decorative items?
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Porcelain
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Glass
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Earthenware
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Stoneware
D
Correct answer
Explanation
Stoneware is a type of ceramic material commonly used in the production of dinnerware, pottery, and decorative items due to its durability, resistance to wear and tear, and ability to withstand high temperatures.
Which of the following is NOT a material used in root canal therapy?
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Gutta-percha
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Resin
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Cement
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Metal
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Ceramic
E
Correct answer
Explanation
Ceramic is not a material used in root canal therapy.
Which of the following is NOT a common material used in bridge construction?
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Steel
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Concrete
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Wood
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Glass
D
Correct answer
Explanation
Glass is not a common material used in bridge construction. It is typically used for aesthetic purposes, such as in the windows of a bridge.
What are the two main components of a mortar and pestle?
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Bowl and spoon
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Bowl and hammer
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Bowl and pestle
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Pestle and spoon
C
Correct answer
Explanation
A mortar and pestle consists of a sturdy bowl (mortar) and a heavy, club-shaped tool (pestle) used for grinding and crushing ingredients.
What is the traditional material used to make mortars and pestles?
D
Correct answer
Explanation
Traditionally, mortars and pestles were made from stone, such as granite, basalt, or marble, due to their durability and ability to withstand the force required for grinding.
Which of the following is NOT a common material used for making modern mortars and pestles?
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Ceramic
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Wood
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Granite
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Glass
D
Correct answer
Explanation
While ceramic, wood, and granite are commonly used materials for modern mortars and pestles, glass is generally not used due to its fragility and potential for shattering.
Which of the following is NOT a common material used for making the pestle of a mortar and pestle?
D
Correct answer
Explanation
While wood, stone, and metal are commonly used materials for making the pestle of a mortar and pestle, plastic is generally not used due to its lack of durability and potential for wear and tear.
How can you tell if a mortar and pestle is of good quality?
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It is made from a durable material
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It has a heavy base
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It has a smooth grinding surface
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All of the above
D
Correct answer
Explanation
To determine the quality of a mortar and pestle, consider its material, weight, and grinding surface. A good-quality mortar and pestle should be made from a durable material, have a heavy base for stability, and possess a smooth grinding surface to ensure efficient grinding.
Which of the following materials is commonly used in mobile devices and poses environmental risks?
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Glass
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Plastic
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Cobalt
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Copper
C
Correct answer
Explanation
Cobalt, a key component in lithium-ion batteries, is extracted from mines and poses environmental risks due to its potential for water contamination and soil degradation.
Which of the following materials is commonly used in mobile devices and is known for its durability and resistance to wear and tear?
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Glass
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Plastic
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Aluminum
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Steel
C
Correct answer
Explanation
Aluminum is a lightweight and durable material commonly used in mobile devices, providing protection and resistance to wear and tear.
What is the purpose of sintering in ceramic processing?
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To remove impurities from the ceramic powder
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To increase the density and strength of the ceramic
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To create a glaze on the surface of the ceramic
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To change the color of the ceramic
B
Correct answer
Explanation
Sintering is a heat treatment process that causes the ceramic particles to bond together, resulting in a denser and stronger material.
What is the purpose of glazing in ceramic processing?
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To increase the density and strength of the ceramic
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To create a decorative finish on the surface of the ceramic
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To protect the ceramic from wear and tear
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To change the color of the ceramic
B
Correct answer
Explanation
Glazing is a process of applying a thin layer of glass to the surface of a ceramic, which creates a decorative finish and protects the ceramic from wear and tear.
Which of the following is NOT a common type of ceramic glaze?
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Lead glaze
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Feldspathic glaze
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Earthenware glaze
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Stoneware glaze
C
Correct answer
Explanation
Earthenware glaze is not a type of ceramic glaze, it is a type of ceramic body.
What is the main ingredient in a ceramic powder?
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Clay
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Silica
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Alumina
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Feldspar
A
Correct answer
Explanation
Clay is the main ingredient in a ceramic powder, as it provides the plasticity and binding properties necessary for forming.
What is the purpose of ball milling in ceramic processing?
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To reduce the particle size of the ceramic powder
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To increase the density and strength of the ceramic
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To create a glaze on the surface of the ceramic
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To change the color of the ceramic
A
Correct answer
Explanation
Ball milling is a process of grinding ceramic powder in a ball mill to reduce the particle size and increase the surface area.