Presented below are the MCQ for Class 9 Science Chapter 1 Matter in Our Surroundings from Chemistry. These multiple-choice questions are aligned with the CBSE board curriculum and are designed to match the latest syllabus for Class 9 chemistry.
By engaging with these MCQs, students can efficiently recapitulate the concepts discussed in the chapter, aiding them in their preparation for the Class 9 Annual examinations, as well as for other entrance exams like CTET and KVS.
MCQ for Class 9 Science Chapter 1 Matter in Our Surroundings
1: Which of the following is not a physical change?
a) Melting of ice
b) Burning of paper
c) Evaporation of water
d) Dissolution of salt in water
2: The process of changing a substance from solid to liquid is called:
a) Condensation
b) Sublimation
c) Melting
d) Evaporation
3: The boiling point of water at standard atmospheric pressure is:
a) 0°C
b) 100°C
c) 273 K
d) 373 K
4: In which state of matter do particles have the highest kinetic energy?
a) Solid
b) Liquid
c) Gas
d) Plasma
5: Which of the following is a characteristic property of gases?
a) Definite shape
b) Definite volume
c) High compressibility
d) Strong intermolecular forces
6: The process of conversion of a liquid into its vapor below its boiling point is called:
a) Evaporation
b) Boiling
c) Sublimation
d) Condensation
7: Which of the following substances sublimes directly from solid to gas?
a) Iodine
b) Sodium chloride
c) Sugar
d) Copper
8: The phenomenon in which a solid directly changes into gas without passing through the liquid state is called:
a) Melting
b) Sublimation
c) Evaporation
d) Condensation
9: The SI unit of temperature is:
a) Celsius
b) Kelvin
c) Fahrenheit
d) Rankine
10: The process of converting a gas into a liquid is called:
a) Vaporization
b) Evaporation
c) Condensation
d) Sublimation
11: The intermolecular forces in solids are generally:
a) Very weak
b) Stronger than in liquids
c) Absent
d) Equal to the forces in gases
12: Which of the following substances has the highest rate of evaporation at room temperature?
a) Water
b) Mercury
c) Oil
d) Salt
13: The temperature at which a solid starts melting is called its:
a) Boiling point
b) Melting point
c) Freezing point
d) Sublimation point
14: The process of changing a substance from a gas directly to a solid is called:
a) Condensation
b) Sublimation
c) Vaporization
d) Melting
15: Which state of matter has the highest intermolecular forces and the least kinetic energy?
a) Solid
b) Liquid
c) Gas
d) Plasma
16: The process of conversion of a liquid into its vapor at any temperature is called:
a) Evaporation
b) Boiling
c) Sublimation
d) Condensation
17: Which of the following does not affect the rate of evaporation?
a) Surface area of the liquid
b) Temperature of the liquid
c) Humidity of the air
d) Atmospheric pressure
18: The process of conversion of a gas directly into a solid is known as:
a) Condensation
b) Sublimation
c) Vaporization
d) Melting
19: The density of an object decreases when it is:
a) Heated
b) Cooled
c) Compressed
d) Sublimated
20: The process of changing a liquid into a solid is called:
a) Condensation
b) Vaporization
c) Freezing
d) Melting
21: The kinetic energy of particles is highest in which state of matter?
a) Solid
b) Liquid
c) Gas
d) Plasma
22: Which of the following is a physical change?
a) Rusting of iron
b) Digestion of food
c) Burning of wood
d) Evaporation of water
23: The boiling point of a liquid is dependent on:
a) The volume of the liquid
b) The color of the liquid
c) The type of container
d) The atmospheric pressure
24: The process of conversion of a solid directly into a gas is known as:
a) Condensation
b) Sublimation
c) Vaporization
d) Freezing
25: Which of the following is an example of sublimation?
a) Ice melting to form water
b) Water evaporating to form steam
c) Iodine crystals disappearing over time
d) Wax melting to form liquid wax
26: The process of a gas changing directly into a solid is called:
a) Condensation
b) Sublimation
c) Deposition
d) Evaporation
27: Which of the following is a chemical change?
a) Boiling of water
b) Dissolving sugar in water
c) Burning of a candle
d) Melting of butter
28: Which of the following temperature scales has no negative temperatures?
a) Celsius
b) Fahrenheit
c) Kelvin
d) Rankine
29: Which of the following statements about gases is true?
a) Gases have fixed shapes
b) Gases have fixed volumes
c) Gases are highly compressible
d) Gases have strong intermolecular forces
30: The process of changing a gas into a liquid is called:
a) Sublimation
b) Condensation
c) Evaporation
d) Melting
Answers Corresponding to the MCQ for Class 9 Science Chapter 1:
- b) Burning of paper
- c) Melting
- b) 100°C
- c) Gas
- c) High compressibility
- a) Evaporation
- a) Iodine
- b) Sublimation
- b) Kelvin
- c) Condensation
- b) Stronger than in liquids
- a) Water
- b) Melting point
- b) Sublimation
- a) Solid
- a) Evaporation
- c) Humidity of the air
- b) Sublimation
- a) Heated
- c) Freezing
- c) Gas
- d) Evaporation of water
- d) The atmospheric pressure
- b) Sublimation
- c) Iodine crystals disappearing over time
- c) Deposition
- c) Burning of a candle
- c) Kelvin
- c) Gases are highly compressible
- b) Condensation
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MCQ for Class 9 Science Chapter 1 Matter in Our Surroundings
“Matter in Our Surroundings” marks the first step in the captivating world of chemistry for Class 9 students. This chapter unveils the secrets of the states of matter, changes in state, and the kinetic theory of matter. As students embark on this journey, MCQs serve as their companions, offering insights and challenges along the way.
1. Comprehensive Grasp: MCQs span the breadth of the chapter, ensuring that students engage with every facet of the subject matter. From the classification of matter to the properties of solids, liquids, and gases, MCQs encourage a holistic understanding of the concepts.
2. Conceptual Clarity: Each MCQ is a portal to deeper comprehension. The process of reading the question, analyzing options, and selecting the correct answer requires a solid grasp of the underlying concepts. This goes beyond surface-level memorization and nurtures true understanding.
3. Critical Thinking Development: MCQs serve as catalysts for critical thinking. They prompt students to evaluate options, consider exceptions, and employ logical reasoning to arrive at the correct answer. This cultivates analytical skills vital for scientific exploration.
4. Immediate Feedback and Learning: The real-time feedback MCQs provide is invaluable. Students swiftly ascertain whether their answer is correct, allowing them to address misconceptions promptly. This iterative process of trial, error, and correction forms a strong foundation for learning.
5. Exam Preparedness: In the run-up to examinations, MCQ practice is a boon. Familiarity with the question format, diverse concepts covered, and the ability to manage time effectively become essential tools for success in both internal and competitive assessments.
6. Tailored Learning Experience: MCQs are adaptable to various learning styles. They can incorporate visuals, diagrams, and practical examples, catering to diverse learners and making the learning journey more engaging and inclusive.
7. Engagement and Exploration: Engaging MCQs can spark students’ curiosity and drive further exploration. Thought-provoking questions can lead to classroom discussions, independent research, and a deeper appreciation of the topic’s real-world applications.
8. Long-term Retention: The repetition of concepts via MCQ practice reinforces memory. As students revisit topics through different questions, the concepts become ingrained, ensuring long-term retention and application.
Navigating the Path with MCQs
With the advent of digital resources, students now have access to platforms offering an array of MCQs tailored to Class 9 Science Chapter 1. These platforms create a dynamic learning environment, enabling students to track their progress, identify areas of improvement, and customize their learning experience.
As students embark on the journey of “Matter in Our Surroundings,” MCQs emerge as the guiding light, illuminating the path to scientific understanding. They facilitate the transformation of learning from a routine exercise into an exciting expedition of exploration and enlightenment. In the realm of science education, MCQs are not just questions; they are the keys to unlocking the doors of knowledge and curiosity.
Frequently Asked Questions – FAQs
What are MCQs in the context of Class 9 Science Chapter 1?
MCQs, or Multiple-Choice Questions, are a type of assessment format where a question is presented along with several possible answers, of which one is correct. Students are required to select the most accurate answer from the provided options.
Why are MCQs important for learning Chapter 1 “Matter in Our Surroundings”?
MCQs help students comprehensively review the key concepts covered in Chapter 1. They encourage critical thinking, conceptual clarity, and engagement with the material, making the learning process more effective and enjoyable.
How do MCQs enhance understanding of Chapter 1 concepts?
By analyzing MCQ options, students need to recall and apply their knowledge, fostering a deeper understanding of the subject matter. The process of selecting the correct answer involves reasoning, which solidifies comprehension.
How can MCQs aid in critical thinking development?
MCQs require students to evaluate multiple options and make informed choices. This process sharpens analytical skills, encourages logical reasoning, and nurtures a scientific temperament.
Can MCQs prepare students for exams and assessments?
Absolutely. MCQs provide familiarity with the question format often seen in exams. Practicing a variety of MCQs helps students prepare for internal assessments, annual exams, and competitive tests.