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

Multiple choice

Carborundum is used as

  1. an abrasive for cutting and grinding glass

  2. a fertiliser

  3. a paint

  4. a medicine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In manufacturing, Carborundum is used for its hardness in abrasive machining processes such as grinding and glass casting. 

Multiple choice

Green sand mould indicates that

  1. polymeric mould has been cured

  2. mould has been totally dried

  3. mould is green in colour

  4. mould contains moisture
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A green sand mould is composed of a mixture of sand (silica sand, SiO_2), clay (which acts as binder) and water. The word green is associated with the condition of wetness or freshness and because the mould is left in the damp condition, hence the name "green sand mould".

Multiple choice physics light, shadows and images introduction to reflection of light light and sight images in plane mirror

Riya and Priya were sitting around a round table. They noticed that they could see their own and each other's image onto the table top. Then table top is made of

  1. Unpolished wood, covered with white cloth

  2. Polished glass of red colour

  3. Glass covered with cellophane paper

  4. Smoked glass covered with green colour cloth.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Polished glass of red colour reflects some of the light incident on it so images of the both persons are formed on it.