All Courses
Get the App Signup / Login
Sign in Open App
UPSC Exam  >  UPSC Tests  >  Science & Technology for UPSC CSE  >  Test: Hardness of Water, Acids, Bases & Salts - UPSC MCQ

Test: Hardness of Water, Acids, Bases & Salts - UPSC MCQ


Test Description

10 Questions MCQ Test Science & Technology for UPSC CSE - Test: Hardness of Water, Acids, Bases & Salts

Test: Hardness of Water, Acids, Bases & Salts for UPSC 2024 is part of Science & Technology for UPSC CSE preparation. The Test: Hardness of Water, Acids, Bases & Salts questions and answers have been prepared according to the UPSC exam syllabus.The Test: Hardness of Water, Acids, Bases & Salts MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Hardness of Water, Acids, Bases & Salts below.
Solutions of Test: Hardness of Water, Acids, Bases & Salts questions in English are available as part of our Science & Technology for UPSC CSE for UPSC & Test: Hardness of Water, Acids, Bases & Salts solutions in Hindi for Science & Technology for UPSC CSE course. Download more important topics, notes, lectures and mock test series for UPSC Exam by signing up for free. Attempt Test: Hardness of Water, Acids, Bases & Salts | 10 questions in 10 minutes | Mock test for UPSC preparation | Free important questions MCQ to study Science & Technology for UPSC CSE for UPSC Exam | Download free PDF with solutions
Test: Hardness of Water, Acids, Bases & Salts - Question 1
Save

What is the main cause of temporary hardness in water?

Detailed Solution for Test: Hardness of Water, Acids, Bases & Salts - Question 1
Temporary hardness in water is caused by the presence of bicarbonates of calcium and magnesium. When water with temporary hardness is boiled, these bicarbonates decompose and are precipitated as carbonates.
Test: Hardness of Water, Acids, Bases & Salts - Question 2
Save

Which process involves the use of Permutit, an artificial zeolite, for softening water?

Detailed Solution for Test: Hardness of Water, Acids, Bases & Salts - Question 2
The Permutit Process uses an artificial zeolite called Permutit, which is a type of ion exchange resin, to remove hardness ions from water.
1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: Hardness of Water, Acids, Bases & Salts - Question 3
Save

Which of the following is NOT a characteristic of acids?

Detailed Solution for Test: Hardness of Water, Acids, Bases & Salts - Question 3

Acids typically have a sour taste, not a bitter taste. They release hydrogen ions (H+) in water and can react with metals to form salts.

Test: Hardness of Water, Acids, Bases & Salts - Question 4
Save
Which of the following substances is a base?
Detailed Solution for Test: Hardness of Water, Acids, Bases & Salts - Question 4
Sodium hydroxide (NaOH) is a strong base, while hydrochloric acid and vinegar are acids. Lemon juice contains citric acid, making it acidic.
Test: Hardness of Water, Acids, Bases & Salts - Question 5
Save
What is the pH value of pure water?
Detailed Solution for Test: Hardness of Water, Acids, Bases & Salts - Question 5
The pH value of pure water is 7, which is considered neutral on the pH scale. Values below 7 are acidic, and values above 7 are alkaline.
Test: Hardness of Water, Acids, Bases & Salts - Question 6
Save
Which type of salt is formed when all the replaceable hydrogen atoms in an acid are replaced by a metal ion?
Detailed Solution for Test: Hardness of Water, Acids, Bases & Salts - Question 6
When all the replaceable hydrogen atoms in an acid are replaced by a metal ion, the salt formed is called a normal salt.
Test: Hardness of Water, Acids, Bases & Salts - Question 7
Save
What is the process of joining two metal surfaces by melting them and then fusing them together called?
Detailed Solution for Test: Hardness of Water, Acids, Bases & Salts - Question 7
Welding is the process of joining two metal surfaces by melting them and fusing them together. Soldering is a different process that uses a lower-temperature filler material.
Test: Hardness of Water, Acids, Bases & Salts - Question 8
Save
Which type of change is characterized by being temporary and easily reversible?
Detailed Solution for Test: Hardness of Water, Acids, Bases & Salts - Question 8
A physical change is temporary and can be easily reversed without the formation of a new substance.
Test: Hardness of Water, Acids, Bases & Salts - Question 9
Save
Which of the following substances is an example of a suspension?
Detailed Solution for Test: Hardness of Water, Acids, Bases & Salts - Question 9
Milk of magnesia is an example of a suspension because it contains solid particles (magnesium hydroxide) dispersed in a liquid.
Test: Hardness of Water, Acids, Bases & Salts - Question 10
Save
Which type of water is characterized by producing lather with soap very easily?
Detailed Solution for Test: Hardness of Water, Acids, Bases & Salts - Question 10
Soft water is characterized by producing lather with soap very easily, unlike hard water which does not produce lather easily.
146 videos|358 docs|249 tests
Join Course
Information about Test: Hardness of Water, Acids, Bases & Salts Page
In this test you can find the Exam questions for Test: Hardness of Water, Acids, Bases & Salts solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Hardness of Water, Acids, Bases & Salts, EduRev gives you an ample number of Online tests for practice

Top Courses for UPSC

146 videos|358 docs|249 tests
Join Course
Download as PDF

Top Courses for UPSC

Important Questions for Hardness of Water, Acids, Bases & Salts

Find all the important questions for Hardness of Water, Acids, Bases & Salts at EduRev.Get fully prepared for Hardness of Water, Acids, Bases & Salts with EduRev's comprehensive question bank and test resources. Our platform offers a diverse range of question papers covering various topics within the Hardness of Water, Acids, Bases & Salts syllabus. Whether you need to review specific subjects or assess your overall readiness, EduRev has you covered. The questions are designed to challenge you and help you gain confidence in tackling the actual exam. Maximize your chances of success by utilizing EduRev's extensive collection of Hardness of Water, Acids, Bases & Salts resources.

Hardness of Water, Acids, Bases & Salts MCQs with Answers

Prepare for the Hardness of Water, Acids, Bases & Salts within the UPSC exam with comprehensive MCQs and answers at EduRev. Our platform offers a wide range of practice papers, question papers, and mock tests to familiarize you with the exam pattern and syllabus. Access the best books, study materials, and notes curated by toppers to enhance your preparation. Stay updated with the exam date and receive expert preparation tips and paper analysis. Visit EduRev's official website today and access a wealth of videos and coaching resources to excel in your exam.

Online Tests for Hardness of Water, Acids, Bases & Salts Science & Technology for UPSC CSE

Practice with a wide array of question papers that follow the exam pattern and syllabus. Our platform offers a user-friendly interface, allowing you to track your progress and identify areas for improvement. Access detailed solutions and explanations for each test to enhance your understanding of concepts. With EduRev's Online Tests, you can build confidence, boost your performance, and ace Hardness of Water, Acids, Bases & Salts with ease. Join thousands of successful students who have benefited from our trusted online resources.
© EduRev
Education Revolution
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup