![]() ![]() Reason: Increase in temperature decreases the kinetic energy of the particles.Īssertion : Liquids diffuses more easily as compared to gases. Reason : Liquids have lower density than solids.Īssertion : Camphor burns with a lot of residue.Īssertion : The rate of evaporation increases with increase in temperature. Reason : Naphthelene does not leave residue when kept open for sometime. Show AnswerĪssertion : The conversion of a solid directly into a gas is known as sublimation. Reason : The boiling point of water increases at higher altitudes. Reason : The particles are loosely packed in solids.Īssertion : The boiling point of water is 100 C. Show AnswerĪssertion : The solids do not diffuse in air. Reason : The heat gets used up in changing the state by overcoming the forces of attraction between the particles. Reason : The boiling point of water increases at high altitudes.Īssertion : When a solid melts, its temperature remains the same. Reason : The intermolecular force of attraction is very strong in gases.Īssertion : It is easier to cook food at sea level as compared to higher altitudes. Reason : Since the inter-particle spaces between gases are very large, they can decrease by applying pressure.Īssertion : Gases exert pressure on the walls of the container. (d) Assertion is false, but reason is true.Īssertion : A gas can easily be compressed by applying pressure. (c) Assertion is true, but reason is false. (b) Both assertion and reason are true, but reason is not the correct explanation of assertion. (a) Both assertion and reason are true, and reason is the correct explanation of assertion. Of the statements, given below, mark the correct answer as: After clicking it will expand.ĭirections: In each of the following questions, a statement of Assertion is given, and a corresponding statement of Reason is given just below it. To check the answer, click on ‘ Show Answer’ given below each question. This article covers assertion reason questions based on Class 9 Science Chapter 1 Matter in Our Surroundings. Here we are providing assertion reason questions for class 9 science. Voila! You will now receive email updates about this store.Assertion and Reason Questions for Class 9 Science Chapter 1 Matter in Our Surroundings Look for the green star next to my store logo and click it to become a follower. ☺īe the first to know about my new discounts, freebies and product launches: I value your feedback greatly as it helps me determine which products are most valuable for your classroom so I can create more for you. Each time you give feedback, TPT gives you feedback credits that you use to lower the cost of your future purchases. Simply click it and you will be taken to a page where you can give a quick rating and leave a short comment for the product. Beside each purchase you'll see a Provide Feedback button. Please go to your My Purchases page (you may need to login). How to get TPT credit to use on future purchases: ⭐ Metric Conversions Worksheet Practice with Answer Key ⭐ Mixed Gas Law Problem Worksheet Chemistry ⭐ Ideal Gas Law Worksheet and Answer Key Chemistry ⭐ Graham's Law Problems with Answer Key Chemistry Gas Laws ![]() ⭐ Combined Gas Law Problems with Answer Key Chemistry Gas Laws ⭐ Chemistry Gas Laws Packet Massive Problem Set ANSWER KEY INCLUDED ⭐ Charles' Law Problems with Answer Key Chemistry Gas Laws This worksheet will give students practice converting between Celsius and Kelvin, the various units of pressure (psi, kPa, mmHg, atm), and between moles and liters at STP.ĪNSWER KEY IS INCLUDED! All work is shown as well as how to set up each problem! For students to be successful with gas laws, they must be able to convert temperature, pressure, and mole/liter units.
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