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

MCQ | Matter in Our Surroundings Class 9 | Part-2

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.

Objective Question | NCERT Science Class 9

NCERT Solutions Class 9 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	9th
Subject:	Science
Chapter:	1 ( Part-2 )
Chapters Name:	Matter in Our Surroundings
Medium:	English

Ncert Solutions for Class 9 Science | Objective Type Questions

You can refer to NCERT Solutions for Class 9 Science Chapter 1 Matter in Our Surroundings 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 Science | NCERT Solutions

Q1.	When heat is constantly supplied by a burner to boiling water, then the temperature of water during vaporisation :
	A. Rises very slowly
	B. Rises rapidly until steam is produced
	C. First rises and then becomes constant
	D. Does not rise at all

Ans: Does not rise at all

Q2.	Which one of the following statements is not true?
	A. The molecules in a solid vibrate about a fixed position
	B. The molecules in a liquid are arranged in a regular pattern
	C. The molecules in a gas exert negligibly small forces on each other, except during collisions
	D. The molecules of a gas occupy all the space available

Ans: The molecules in a liquid are arranged in a regular pattern

Q3.	When water at 0°C freezes to form ice at the same temperature of 0°C, then it:
	A. Absorbs some heat
	B. Releases some heat
	C. Neither absorbs nor releases heat
	D. Absorbs exactly 3.34 x 105J/kg of heat

Ans: Releases some heat

Q4.	The physical state of a matter depends upon
	A. temperature and pressure
	B. temperature only
	C. pressure only
	D. nature of substance

Ans: temperature and pressure

Q5.	Sonali took a 100 ml beaker and filled half the beaker with water and marked the level of water. She dissolved some salt with the help of a glass rod and recorded water level again. Choose the correct observation related to above activity
	A. The water level increases appreciably
	B. The water level decreases
	C. The water level remains the same
	D. There is little increase in water level

Ans: The water level remains the same

Q6.	Which of the following will produce severe burns ?
	A. Cold water
	B. Hot water
	C. Boiling water
	D. Steam

Ans: Steam

Q7.	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, 391 K
	B. 308 K, 329 K, 392 K
	C. 308 K, 329 K, 391 K
	D. 329 K, 392 K, 308 K

Ans: 308 K, 329 K, 391 K

Q8.	The room temperature on Celsius scale is 25°C. What is the temperature on the Kelvin scale?
	A. 50K
	B. 200K
	C. 300K
	D. 298K

Ans: 298K

Q9.	Particles of matter are continuously moving. What is the effect of rise in temperature on moving particles?
	A. With rise in temperature, particles move faster
	B. With rise in temperature, particles stop moving
	C. With rise in temperature, particles move slowly
	D. None of the above

Ans: With rise in temperature, particles move faster

Q10.	Why do naphthalene balls disappear with time without leaving any solid behind?
	A. Due to melting
	B. Due to freezing
	C. Due to boiling
	D. Due to sublimation

Ans: Due to sublimation

Q11.	It is not the state of matter
	A.Solid
	B.Liquid
	C.Soil
	D.Gas

Ans: soil

Q12.	It is state of matter
	A.Soil
	B.Air
	C.Water
	D.Gas

Ans: Gas

Q13.	It is not solid.
	A.Book
	B.Completely cooked Vegetables
	C.Completely molten ice
	D.Ice bag

Ans: Completely molten ice

Q14.	Eraser, book, slate is solid matter which does not has.
	A.Definite shape
	B.Distinct boundaries
	C.Fixed velocity
	D.Fixed volume

Ans: Fixed volume

Q15.	Solid have…………..
	A.Negligible compatible
	B.Negligible compressible
	C.Negligible volume
	D.Negligible shape

Ans: Negligible compressible

Q16.	Negligible compressibility……
	A.Soil
	B.Gas
	C.Water
	D.Solid

Ans: solid

Q17.	Solids have tendency to maintain their………….. and…………..
	A.Shape, inside pressure
	B.Shape, outside temperature
	C.Shape, outside force
	D.Shape, outside pressure

Ans: Shape, outside force

Q18.	Sugar and salt kept in different jars . they are……………
	A.Soil
	B.Liquid
	C.Gas
	D.Solids

Ans: solids

Q19.	Rubber can change their shape. It is ………….
	A.Soil
	B.Liquid
	C.Gas
	D.Solids

Ans: solids

Q20.	Liquids have no fixes shape but have ………………….
	A.Fixed velocity
	B.Fixed value
	C.Fixed temperature
	D.Fixed volume

Ans: Fixed volume

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

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NCERT SOLUTIONS

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