Science General · 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

Multiple choice

What is the mixture of sulphur, charcoal and potassium nitrate called?

  1. Gun powder

  2. Cement

  3. Glass

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Gunpowder (black powder) is a historical explosive mixture composed of sulfur (S), charcoal (C), and potassium nitrate (KNO3) in specific ratios. This composition has been used for centuries in firearms and fireworks. Cement is made from limestone and clay, while glass is primarily silica-based.

Multiple choice

Which of the following will produce maximum friction?

  1. If one rubs sand paper on a polished marble top

  2. If one rubs sand paper on a glass top

  3. If one rubs sand paper on another sand paper

  4. If one rubs sand paper on a wet floor

  5. If one rubs sand paper on an aluminium frame
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option. The friction produced will be maximum if one rubs sand paper on another sand paper because both the surfaces are rough and on rough surfaces, friction is maximum.

Multiple choice

Name the material used in the making of floppy disks.

  1. Acrylic

  2. Mica

  3. Mylar

  4. Polythene
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mylar is a polyester film that was used as the base material for floppy disks, coated with magnetic material on both sides. This material provided the necessary flexibility and durability. Option C correctly identifies Mylar. Note: option text has leading space before 'Mylar'.

Multiple choice

Cement is a mixture of

  1. metallic minerals

  2. ferrous metals

  3. non ferrous metals

  4. non metallic minerals

  5. none of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct answer. Cement is a mixture of non-metallic minerals.

Multiple choice

Which of the following statements can be excluded from the properties of dispersants?

  1. Dispersants in oil drilling are chemicals that aid in breaking up solids or liquids as fine particles or droplets into another medium

  2. Dispersants can not be used to dissipate oil slicks

  3. Dispersing agents are the principal applications of detergents for which the liquid bath is water

  4. A dispersant/plasticizer is added to the gypsum wallboard slurry to reduce the amount of water used, while maintaining the same slump as the slurry without dispersant
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Dispersants can be used to dissipate oil slicks.They may rapidly disperse large amounts of certain oil types from the sea surface by transferring it into the water column. They will cause the oil slick to break up and form water-soluble micelles that are rapidly diluted.