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UPSC Exam  >  UPSC Test  >  General Science(Prelims) by IRS Divey Sethi  >  Test: Chemistry - 1 - UPSC MCQ

Chemistry - 1 - Free MCQ Practice Test with solutions, UPSC General Science


MCQ Practice Test & Solutions: Test: Chemistry - 1 (10 Questions)

You can prepare effectively for UPSC General Science(Prelims) by IRS Divey Sethi with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Chemistry - 1". These 10 questions have been designed by the experts with the latest curriculum of UPSC 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 12 minutes
  • - Number of Questions: 10

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Test: Chemistry - 1 - Question 1
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What is the pH value of a neutral solution on the pH scale?

Detailed Solution: Question 1

A neutral solution has a pH value of 7 on the pH scale. This means it is neither acidic nor basic. It is essential to remember that pH 7 represents neutrality.

Test: Chemistry - 1 - Question 2
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Which of the following substances is produced during the electrolysis of aqueous sodium chloride (brine)?

Detailed Solution: Question 2

Chlorine gas is produced during the electrolysis of aqueous sodium chloride (brine). This process is part of the chlor-alkali process, where chlorine gas is one of the products formed at the anode.

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Test: Chemistry - 1 - Question 3
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What is the chemical name for baking soda?

Detailed Solution: Question 3

The chemical name for baking soda is sodium hydrogencarbonate (NaHCO3). It is commonly used in baking and as an antacid.

Test: Chemistry - 1 - Question 4
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What is the process of separating a solid substance into vapors on the application of heat?

Detailed Solution: Question 4

Sublimation is the process by which a solid substance passes directly into its vapor phase upon the application of heat, without going through a liquid phase. Substances like iodine, naphthalene, and benzoic acid undergo sublimation.

Test: Chemistry - 1 - Question 5
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Which scientist is credited with discovering the Tyndall effect?

Detailed Solution: Question 5

The Tyndall effect, which is the scattering of light by colloidal particles, is named after the scientist John Tyndall, who discovered and documented this phenomenon.

Test: Chemistry - 1 - Question 6
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Which property of non-metals makes them poor conductors of heat and electricity?

Detailed Solution: Question 6

Non-metals are poor conductors of heat and electricity because they have low electrical conductivity. Their outermost electron shells are usually filled, making it difficult for them to conduct electricity.

Test: Chemistry - 1 - Question 7
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What is the property that allows metals to be hammered into thin sheets?

Detailed Solution: Question 7

Metals have the property of malleability, which means they can be hammered or pressed into thin sheets without breaking. This property makes them useful for various applications, including metalworking.

Test: Chemistry - 1 - Question 8
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Which type of wave exhibits particle motion that is parallel to the direction of energy transport?

Detailed Solution: Question 8

A longitudinal wave exhibits particle motion that is parallel to the direction of energy transport. Sound waves in air are classic examples of longitudinal waves, where air particles move back and forth in the same direction as the wave's movement.

Test: Chemistry - 1 - Question 9
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What is the term for a substance composed of two or more elements chemically combined in a fixed proportion?

Detailed Solution: Question 9

A compound is a substance composed of two or more elements chemically combined in a fixed proportion. Compounds have distinct chemical properties and can be represented by chemical formulas.

Test: Chemistry - 1 - Question 10
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What type of mixture is air?

Detailed Solution: Question 10

Air is considered a homogeneous mixture because its composition is uniform throughout. It is a mixture of gases, including nitrogen, oxygen, carbon dioxide, and others, which are uniformly distributed.

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About this UPSC Practice Test

This test contains 10 MCQs on Chemistry - 1 with detailed solutions for each question. It is part of the General Science(Prelims) by IRS Divey Sethi course on EduRev, designed to align with the current UPSC syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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