• Skip to main content
  • Skip to secondary menu
  • Skip to primary sidebar
  • Skip to footer
  • NCERT Solutions
    • NCERT Books
  • Class 10
  • Class 9
  • Class 8
  • Class 7
  • Class 6
  • Class 11
  • Class 12
  • MCQ Questions
    • CBSE MCQ

Learn Insta

RD Sharma Solutions , RS Aggarwal Solutions and NCERT Solutions

  • Extra Questions
  • CBSE Notes
  • RD Sharma Solutions
    • RD Sharma Class 12 Solutions
    • RD Sharma Class 11 Solutions
    • RD Sharma Class 10 Solutions
    • RD Sharma Class 9 Solutions
    • RD Sharma Class 8 Solutions
  • RS Aggarwal Solutions
    • RS Aggarwal Solutions Class 10
    • RS Aggarwal Solutions Class 9
    • RS Aggarwal Solutions Class 8
    • RS Aggarwal Solutions Class 7
    • RS Aggarwal Solutions Class 6
  • ML Aggarwal Solutions
    • ML Aggarwal Class 10 Solutions
    • ML Aggarwal Class 9 Solutions
    • ML Aggarwal Class 8 Solutions
    • ML Aggarwal Class 7 Solutions
    • ML Aggarwal Class 6 Solutions
  • English Grammar
    • English Summaries
    • Unseen Passages

MCQ Questions for Class 9 Science Chapter 1 Matter in Our Surroundings with Answers

October 3, 2020 by Prasanna

Check the below NCERT MCQ Questions for Class 9 Science Chapter 1 Matter in Our Surroundings with Answers Pdf free download. MCQ Questions for Class 9 Science with Answers were prepared based on the latest exam pattern. We have Provided Matter in Our Surroundings Class 9 Science MCQs Questions with Answers to help students understand the concept very well.

You can refer to NCERT Solutions for Class 9 Science Chapter 1 Light Reflection and Refraction to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Matter in Our Surroundings Class 9 MCQs Questions with Answers

Question 1.
Which of the following phenomena would increase on raising the temperature?
(a) Diffusion, evaporation, compression of gases
(b) Evaporation, compression of gases, solubility
(c) Evaporation, diffusion, expansion of gases
(d) Evaporation, solubility, diffusion, compression of gases

Answer

Answer: (c) Evaporation, diffusion, expansion of gases


Question 2.
Seema visited a Natural Gas Compressing unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions.
(a) Low temperature, low pressure
(b) High temperature, low pressure
(c) Low temperature, high pressure
(d) High temperature, high pressure

Answer

Answer: (c) Low temperature, high pressure


Question 3.
The property of flow is unique to fluids. Which one of the following statements is correct?
(a) Only gases behave like fluids
(b) Gases and solids behave like fluids
(c) Gases and liquids behave like fluids
(d) Only liquids are fluids

Answer

Answer: (c) Gases and liquids behave like fluids


Question 4.
During summer, water kept in an earthen pot becomes cool because of the phenomenon of
(a) diffusion
(b) transpiration
(c) osmosis
(d) evaporation

Answer

Answer: (d) evaporation


Question 5.
A few substances are arranged in the increasing order of ‘forces of attraction’ between their particles. Which one of the following represents a correct arrangement?
(a) Water, air, wind
(b) Air, sugar, oil
(c) Oxygen, water, sugar
(d) Salt, juice, air

Answer

Answer: (c) Oxygen, water, sugar


Question 6.
On converting 25°C, 38°C and 66°C to Kevlin scale, the correct sequence of temperature will be
(a) 298 K, 311 K and 339 K
(b) 298 K, 300 K and 338 K
(c) 273 K, 278 K and 543 K
(d) 298 K, 310 K and 338 K

Answer

Answer: (a) 298 K, 311 K and 339 K


Question 7.
Choose the correct statement from the following:
(a) Conversion of solid into vapour without passing through the liquid state is called vapourisation.
(b) Conversion of vapour into solid without passing through the liquid state is called sublimation.
(c) Conversion of vapour into solid without passing through the liquid state is called freezing.
(d) Conversion of solid into liquid is called sublimation.

Answer

Answer: (b) Conversion of vapour into solid without passing through the liquid state is called sublimation.


Question 8.
The boiling points of diethyl ether, acetone and n-butyl alcohol are 35°C, 56°C and 118°C respectively. Which one of the following correctly represents their boiling points in Kelvin scale?
(a) 306 K, 329 K and 391 K
(b) 308 K, 329 K and 392 K
(c) 308 K, 329 K and 391 K
(d) 329 K, 392 K and 308 K

Answer

Answer: (c) 308 K, 329 K and 391 K


Question 9.
Which condition out of the following will increase the evaporation of water?
(a) Increase in temperature of water
(b) Decrease in temperature of water
(c) Less exposed surface area of water
(d) Adding common salt to water

Answer

Answer: (a) Increase in temperature of water


Question 10.
In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
(i) Increasing pressure on hydrogen contained in a closed container
(ii) Some hydrogen gas leaking out of the container
(iii) Increasing the volume of the container of hydrogen gas
(iv) Adding more hydrogen gas to the container without increasing the volume of the container
(a) (i) and (iii)
(b) (i) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)

Answer

Answer: (c) (ii) and (iii)


Question 11.
The boiling point of water at sea level is
(a) 0°C
(b) 273 K
(c) 373 K
(d) 273°C

Answer

Answer: (c) 373 K


Question 12.
Which of the following has the strongest interparticle forces at room temperature?
(a) Oxygen
(b) Water
(c) Bromine
(d) Iron

Answer

Answer: (d) Iron


Question 13.
Which of the following conditions is most favourable for converting a gas into a liquid?
(a) High pressure, low temperature
(b) Low pressure, low temperature
(c) Low pressure, high temperature
(d) High pressure, high temperature

Answer

Answer: (a) High pressure, low temperature


Question 14.
Dry ice is
(a) water in solid state
(b) water in gaseous state
(c) CO2 in liquid state
(d) CO2 in solid state

Answer

Answer: (d) CO2 in solid state


Complete the crossword given below:

Down:
1. Process of changing water to water vapour on heating.
2. Process of changing of a liquid into solid.
3. Physical state of water at 120°C.
Across:
4. Process of changing a solid directly to gaseous state.
5. Process of changing a solid into liquid.
6. Process of changing a gas into liquid on cooling.
7. SI unit of temperature.
MCQ Questions for Class 9 Science Chapter 1 Matter in Our Surroundings with Answers

Answer

Answer:
Down:
1. Vapourisation
2. Solidification
3. Gas

Across:
4. Sublimation
5. Fusion
6. Condensation
7. Kelvin


Fill in the blanks:

1. Evaporation of a liquid at room temperature leads to a ………….. effect.

Answer

Answer: cooling


2. At room temperature the forces of attraction between the particles of solid substances are ………….. than those which exist in the gaseous state.

Answer

Answer: stronger


3. The arrangement of particles is less ordered in the ……………. state. However, there is no order in the ………….. state.

Answer

Answer: liquid, gaseous


4. ………… is the change of gaseous state directly to solid state without going through the ……………. state.

Answer

Answer: Sublimation, liquid


5. The phenomenon of change of a liquid into the gaseous state at any temperature below its boiling point is called ………………

Answer

Answer: evaporation


We hope the given NCERT MCQ Questions for Class 9 Science Chapter 1 Matter in Our Surroundings with Answers Pdf free download will help you. If you have any queries regarding Matter in Our Surroundings CBSE Class 9 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Filed Under: MCQ Questions

Primary Sidebar

  • Maths NCERT Solutions
  • Science NCERT Solutions
  • Social Science NCERT Solutions
  • English NCERT Solutions
  • Hindi NCERT Solutions
  • Physics NCERT Solutions
  • Chemistry NCERT Solutions
  • Biology NCERT Solutions
RS Aggarwal Solutions RD Sharma Solutions
RS Aggarwal Class 10 RD Sharma Class 10
RS Aggarwal Class 9 RD Sharma Class 9
RS Aggarwal Class 8 RD Sharma Class 8
RS Aggarwal Class 7 RD Sharma Class 11
RS Aggarwal Class 6 RD Sharma Class 12

Recent Posts

  • CUET 2022 Exam: Latest Updates, Application Form, Registration, Eligibility, Exam Date & Pattern, Syllabus, Colleges, etc.
  • CBSE Sample Papers for Class 11 Political Science with Solutions 2021-2022 Term 1 & Term 2
  • CBSE Sample Papers for Class 11 History with Solutions 2021-2022 Term 1 & Term 2
  • CBSE Sample Papers 2021-2022 Term 1 and Term 2 PDF Download for Class 12, 11, 10, 9, 8, 7, and 6 | CBSE Marking Scheme Class 1 to 12 & Question Papers
  • MCQ Questions for Class 12 with Answers All Subjects
  • MCQ Questions with Answers for Class 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, and 1 all Subjects
  • MCQ Questions for Class 12 History with Answers Chapter Wise PDF Download
  • MCQ Questions for Class 12 Geography with Answers Chapter Wise PDF Download
  • MCQ Questions for Class 12 Business Studies with Answers Chapter Wise PDF Download
  • MCQ Questions for Class 12 Maths with Answers Chapter Wise PDF Download
DMCA.com Protection Status

Footer

CBSE Library
NCERT Library
NCERT Solutions for Class 12
NCERT Solutions for Class 11
NCERT Solutions for Class 10
NCERT Solutions for Class 9
NCERT Solutions for Class 8
NCERT Solutions for Class 7
NCERT Solutions for Class 6
ML Aggarwal Class 10 ICSE Solutions
Concise Mathematics Class 10 ICSE Solutions
CBSE Sample Papers
cbse
ncert
English Summaries
English Grammar
Biology Topics
Microbiology Topics
Chemistry Topics
Like us on Facebook Follow us on Twitter
Watch Youtube Videos Follow us on Google Plus
Follow us on Pinterest Follow us on Tumblr
Percentage Calculator

Copyright © 2022 Learn Insta