MCQ Questions for Class 9 Science with Answers were prepared based on the latest exam pattern. Answer: stationary. Assertion: Desert cooler do not work efficiently during rainy season. Edit. Matter in Our Surroundings CBSE Class 9 Science Chapter 1 - Complete explanation and Notes of the chapter 'Matter in Our Surroundings'.. 9th grade. Evaporation takes place only at the surface of the liquid. Answer: ‘A small volume of water in a kettle can fill a kitchen with steam’. While heating ice in a beaker with a thermometer suspended in it, a student recorded the following observations: Analyse the temperature versus time graph of water, given below. Question 1. This is because the solid particles diffuse in the water. [NCERT Exemplar] A lot of students tend to only focus on memorizing information and relying on cramming learning. Question 2. 9th grade . rotate around their axis. Free Question Bank for 9th Class Science Matter in Our Surroundings Matter in Our Surroundings To which physical state of matter do the following statements apply? Played 88 times. Why do the gases exert more pressure on the walls of the container than the solids? Move about the room and smell the fragrance of the incense sticks. C—liquid state, Answer: Question 5. Answer: Steam at 100°C is better for heating purposes than water at 100°C because the energy of 1 kg of steam at 100°C is 22.6 × 105 joule which is more than that of 1 kg of water at the same temperature. Based on CBSE and CCE guidelines. Answer: Q. This heat energy absorbed without showing any rise in temperature is given the name latent heat of fusion/latent heat of vaporisation. Thus, moist strips will lower his body temperature. Answer: Matter in our Surroundings (Companion Test). Fundamental Unit of Life and Matter in Our Su... Matter in Our Surroundings (Q. [NCERT Exemplar] Correct Option is : 3. 23 ratings. Question 10. Why do we see water droplets on the outer surface of a glass containing ice cold water? What happens when an inflated air balloon is pricked with a pin? Question 5. Describe the continuous motion of particles of matter with the help of an activity. Question 15. This solution contains questions, answers, images, step by step explanations of the complete Chapter 1 titled Matter in Our Surroundings of Science taught in class 9. Matter in Our Surroundings: Important Questions and Preparation Tips Here you can find the Science chapter, Matter in Our Surroundings, Important Questions & … surroundings and change into vapour, thereby producing a cooling effect. (a) Evaporation causes cooling. (d) A1B1 and D1D2 Therefore, the correct option is (d). Draw the arrangement of particles of position ‘X’ and ‘Y’ when the lamp is burning. 6 months ago. Assertion: Desert cooler do not work efficiently during rainy season. NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12, Extra Questions for Class 9 Science Chapter 1 Matter in Our Surroundings. CBSE Board introduced questions based on - Higher Order Thinking Skills (HOTs). Matter in Our Surroundings Class 9 Extra Questions Long Answer Questions. ‘X’ is gas at room temperature. Play . CBSE Class 9 Science MCQs Chapter 1 Matter in Our Surroundings From the Annual Examination 2020, class 9 students will find more number of objective type questions in their Science question … Comment on the following statements: Identify the physical states of X, Y and Z at room temperature (30°C). Edit. Question 17. (d) Ice is solid at 0°C, while water is liquid at room temperature. Question 1. Determination of boiling point of water: Question 3. The temperature in the sunny area is higher than in the shade and evaporation takes place at a faster rate at high temperature. (c) 110°C Question 11. Answer: We can also move our hands through water or liquid matter but not as freely as we can in the air. Answer: Define density and give its SI unit. Solid CO2 is known as dry ice. Conditions that can increase the rate of evaporation of water are: Question 10. Chair and almond are forms of matter in the solid state. (c) What is its boiling point? Answer: (c) A sponge has minute holes in which air is trapped. Homework. Surface area: The rate of evaporation increases with increase in surface area. Answer: Question 2. Solution : high compressibility. Answer: Bank Class - IX). (ii) Gaseous state. george_m_tms_31680. Answer: MCQ Based Questions with answer for CBSE class 9 Science Chapter 1 - Matter in Our Surroundings. Here is, By submitting this form, you agree to the, Take Tests between 11:00 pm (IST) and 7:00 am (IST). Chair, air, love, smell, hate, almonds, cold, cold drink, smell of perfume, thought. Matter in Our Surroundings Class 9 Notes, Video Explanation, Question Answer. (c) Sponge though compressible is a solid. Answer: Matter is defined as anything that occupies some space and has definite mass. Karnataka Board Class 9 Science Chapter 1 Matter in Our Surroundings KSEEB Solutions for Class 9 Science Chapter 1 Intext Questions. An increase in the temperature by putting the shirt under the sun. Chair, air, love, smell, hate, almonds, cold, cold drink, smell of perfume, thought. Karnataka Board Class 9 Science Chapter 1 Matter in Our Surroundings KSEEB Solutions for Class 9 Science Chapter 1 Intext Questions. Its SI unit is kgm-3. Explain how the rate of evaporation of a liquid is affected with: Question 9. Gases are compressible because the intermolecular space is very large in gases, whereas liquids are not compressible because in liquids, the intermolecular space is less. 4.8. When 50 g of sugar is dissolved in 100 mL of water, there is no increase in volume. Answer: Explain interconversion of three states of matter with the help of flow chart. Matter in Our Surroundings – Assertion and Reason Questions. There are around 3-5 solved test papers in each chapter. (b) 15°C When dettol is added to water, diffusion takes place. NaCl (solid) has particles with the highest forces of attraction. Why do we feel comfortable under a fan when we are perspiring? The question papers and … Matter in Our Surroundings: Important Questions and Preparation Tips. At this stage, the temperature will remain constant till all the water will freeze. Why do solids have a regular geometrical shape? ‘A’ is a gas. (b) What is the melting point of the substance? Is it a solid? Answer: Therefore, solids have a regular geometrical shape. The liquid form of water converts into gaseous form in steam. Chemistry. Matter in our surroundings DRAFT. MCQ Questions for Class 9 Science: Ch 1 Matter in our Surroundings Answer: Question 8. Name the heat involved in the process and define it. Question 3. Print; Share; Edit; Delete; Host a game. It absorbs sweat from the body and provides large surface area for evaporation which causes cooling effect. [NCERT Exemplar] More transpiration requires more leaves. Question 18. Answers: Anything that occupies space and has mass is called Matter. (i) Layers of particles can slip and slide over one another easily. 4. Finish Editing. The temperature of both boiling water and steam is 100°C, but steam has more energy because of latent heat of vaporisation. How much is the latent heat of fusion of ice? Question 9. Question 7. Correct Option is : 2. Candidates who are ambitious to qualify the Class 09 with good score can check this article for Notes. Provide details and share your research! Due to this, they strike faster on the particles of sugar than cold water molecules. ENROLL . NCERT 9th Class (CBSE) Science: Matter in Our Surroundings Quiz.