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UPSC Exam  >  UPSC Tests  >  Test: Soaps & Detergents, Paints - UPSC MCQ

Test: Soaps & Detergents, Paints - UPSC MCQ


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10 Questions MCQ Test - Test: Soaps & Detergents, Paints

Test: Soaps & Detergents, Paints for UPSC 2024 is part of UPSC preparation. The Test: Soaps & Detergents, Paints questions and answers have been prepared according to the UPSC exam syllabus.The Test: Soaps & Detergents, Paints MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Soaps & Detergents, Paints below.
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Test: Soaps & Detergents, Paints - Question 1
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What is the primary purpose of heavy metal soaps in industrial applications?

Detailed Solution for Test: Soaps & Detergents, Paints - Question 1
Heavy metal soaps, formed by metals heavier than sodium (such as aluminum, calcium, cobalt, lead, and zinc), are not water-soluble. They have specific industrial uses, including serving as thickeners and driers in lubricating greases and paints. They help improve the consistency and drying properties of these products.
Test: Soaps & Detergents, Paints - Question 2
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How do synthetic detergents differ from traditional soaps?

Detailed Solution for Test: Soaps & Detergents, Paints - Question 2
Synthetic detergents differ from traditional soaps in that they remain effective even in the presence of naturally occurring lime and magnesium salts. This property makes synthetic detergents preferred for various cleaning purposes.
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Test: Soaps & Detergents, Paints - Question 3
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What is the primary function of anionic synthetic detergents?

Detailed Solution for Test: Soaps & Detergents, Paints - Question 3
Anionic synthetic detergents primarily function as surfactants and are commonly used in laundry detergents. They help to reduce the surface tension of water, making it easier to remove dirt and stains from fabrics.
Test: Soaps & Detergents, Paints - Question 4
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Which type of paint is potassium silicate-based and suitable for corrosion resistance in marine environments?
Detailed Solution for Test: Soaps & Detergents, Paints - Question 4
Inorganic paint is potassium silicate-based and is known for its corrosion resistance. It is commonly used on structures like bridges and metalwork exposed to marine environments.
Test: Soaps & Detergents, Paints - Question 5
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What is the primary purpose of extenders in paints?
Detailed Solution for Test: Soaps & Detergents, Paints - Question 5
Extenders in paints are low-density materials used to increase the pigment volume concentration, thereby reducing the gloss of the paint. They help achieve the desired texture and coverage.
Test: Soaps & Detergents, Paints - Question 6
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Which type of synthetic detergent remains active even in acidic solutions?
Detailed Solution for Test: Soaps & Detergents, Paints - Question 6
Anionic synthetic detergents remain active even in acidic solutions. This property makes them versatile for various cleaning purposes, as they can work effectively in a wide range of pH levels.
Test: Soaps & Detergents, Paints - Question 7
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What is the primary component of a soap that makes it effective for cleaning?
Detailed Solution for Test: Soaps & Detergents, Paints - Question 7
The primary component of a soap that makes it effective for cleaning is fatty acids. These acids, when reacted with sodium hydroxide, form soap molecules that have a hydrophilic (water-attracting) and hydrophobic (oil-attracting) end, making them effective emulsifiers for removing oils and dirt from surfaces.
Test: Soaps & Detergents, Paints - Question 8
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Which type of synthetic detergent behaves like cations in acidic solutions and like anions in alkaline solutions?
Detailed Solution for Test: Soaps & Detergents, Paints - Question 8
Ampholytes are synthetic detergents that behave like cations in acidic solutions and like anions in alkaline solutions. This unique behavior allows them to adapt to different pH environments, making them versatile in cleaning applications.
Test: Soaps & Detergents, Paints - Question 9
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What volatile liquids are commonly added to paints to make them less viscous or dilute?
Detailed Solution for Test: Soaps & Detergents, Paints - Question 9
Turpentine and acetone are volatile liquids commonly added to paints to reduce viscosity and make the paint less thick. This allows for easier application and better coverage.
Test: Soaps & Detergents, Paints - Question 10
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Which of the following is a common metallic pigment used in metallic paint?
Detailed Solution for Test: Soaps & Detergents, Paints - Question 10
Aluminum is a common metallic pigment used in metallic paint. It provides a shiny, reflective appearance when applied to surfaces, making it a popular choice for decorative finishes and automotive coatings.
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