Daily Practice Problems Matter and Its Composition

Question 1:

Interparticular force of attraction in case of solids is __________.

(a) strong than both gases & liquids

(b) weak than both gases & liquids

(d) less strong than gases [Level: Moderate]

Question 2:

Cohesive force is

(a) force of attraction between different particles

(b) force of attraction between same particles

(d) force of repulsion between same particles [Level: Moderate]

Question 3:

Krishna was performing certain experiment in lab. He took an empty test tube & fitted its mouth with rubber cork having a small hole. In that hole he placed a capillary tube with water droplet at its end such that the end of capillary tube is well inside the test tube. What would be his observation after heating the test tube for some time? [Level: Difficult]

(a) Water droplet moves down in the capillary tube.

(b) Water droplets moves up in the capillary tube.

(d) Position of water droplet is fluctuating.

Question 4:

Hard solids are [Level: Easy]

(a) highly compressible

(b) slightly compressible

(d) less compressible

Question 5:

Michael took solid iodine crystals in a beaker which was covered with watch glass. He heated the beaker and started to observe purple iodine gas getting evolved. He also observed purple iodine gas getting converted back to solid iodine crystals on the inner surface of watch glass. Which phenomenon is taking place in this experiment? [Level: Moderate]

(a) sublimation

(b) condensation

(d) both sublimation & deposition

Question 6:

Tina was filling gas in the balloons for the birthday party. Suddenly, one of the balloons got burst & gas escaped in the birthday party hall. What would be volume occupied by the gas now? [Level: Moderate]

Question 7:

Particles of solid are closely packed, in case of liquids particles are less closely packed in comparison to solids whereas in gases particles are far apart from each other. What is the reason for difference in arrangement of particles in case of solids, liquids & gases? [Level: Moderate]

(a) Interparticular force of repulsion

(b) Interparticular space

(d) Movement of particles

Question 8:

Interparticular space in case of liquids is [Level: Easy]

(a) more than both gases & solids

(b) less than both gases & solids

(d) less than gases

Question 9:

We observe particles in random motion when some sunlight is allowed to enter a dark dusty room? Why? [Level: Difficult]

Question 10:

Sherlock took solid ammonium chloride in a dish & started to heat it. He observed vapours of ammonium chloride getting released. Suddenly, he realized he was getting short of ammonium chloride in his stock. Without putting the burner off how can he recover the ammonium chloride in solid form? [Level: Difficult]

Question 11:

Shrikant added teaspoon of salt to half a glass of water & stirred, what do you think will happen to water level? Justify. [Level: Moderate]

Question 12:

Define Matter. [Level: Easy]

Question 13:

Particles of __________ are in random motion.

(a) solids

(b) only liquids

(d) liquids & gases [Level: Moderate]

Question 14:

State of matter with indefinite shape & definite volume is __________. [Level: Easy]

(a) solid

(b) liquid

(d) solid & liquid

Question 15:

Johnny was walking on the road on a hot sunny day. As usual he started to sweat but he left his sweat unwiped as he was quite in hurry. After some time, he started to feel cooler. Why do you think he started to feel cooler? [Level: Difficult]

Question 16:

Given below are some statements:

I. Gases are highly compressible.

II. Particles of liquid are more closely packed than gases.

III. Below boiling point substance can only exist in liquid state.

IV. Evaporation is not a natural process.

Choose the option corresponding to incorrect statement.

(a) IV

(b) II

(d) III [Level: Difficult]

Question 17:

Gases are highly compressible. Justify with an example. [Level: Moderate]

Question 18:

Constituent particles of matter are __________ or __________. [Level: Easy]

Question 19:

Ram is heating an unknown substance.

(a) it can undergo change in state.

(b) it can undergo chemical change.

(d) it can contract.

Choose the incorrect option. [Level: Moderate]

Question 20:

Sita poured water from cuboidal shaped tin container to cylindrical shaped container such that there is no loss of water. Select the correct option from the options given below:

(a) volume of water will change

(b) shape of water will change

(d) both shape & volume will change [Level: Moderate]

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Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic ICSE 7 Chemistry Matter and Its Composition you have learned to real-life situations. It helps you bridge the gap between abstract knowledge and practical scenarios, making the learning more relevant and meaningful.
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Identifying Knowledge Gaps: When you attempt to solve problems, you may encounter areas where your understanding is lacking. These knowledge gaps become evident during problem-solving, and you can then focus on filling those gaps through further study and practice. You can refer Matter and Its Composition ICSE 7 Chemistry Notes on LearnoHub.com
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Preparation for Exams and Challenges: Many exams, especially in science, mathematics, and engineering, involve problem-solving tasks. Regular practice in problem-solving prepares you to face these exams with confidence and perform well. It is also advised to take tests on Matter and Its Composition ICSE 7 Chemistry Online Tests at LearnoHub.com.
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In summary, problem-solving after learning a theoretical concept on CBSE Matter and Its Composition ICSE 7 Chemistry is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.

You must have heard of the phrase “Practice makes a man perfect”. Well, not just a man, practice indeed enhances perfection of every individual.

Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.

All About Daily Practice Problems on ICSE 7 Chemistry Matter and Its Composition NCERT Chapter 1

Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on ICSE 7 Chemistry Matter and Its Composition NCERT Chapter 1 useful.

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