Class 9 Science Chapter 1 MCQ
Class 9 Science Chapter 1 MCQ (Multiple Choice Questions) of Matter in Our Surroundings. Prepare here for school exams or class test with objective type questions with explanation and answers.All the MCQs are taken from NCERT Textbook only and answers also confined to course book of standard 9 science. These questions not only ensure you scoring good marks but it clears all doubts related to chapter 1 of grade 9 science.
Class 9 Science Chapter 1 MCQ Online Test for 2020-2021
|Chapter: 1||Matter in Our Surroundings|
|Contents:||MCQ Online Test with answers|
Class 9 Science Chapter 1 MCQ with Answers for 2020-21
Class 9 Science Chapter 1 MCQ Online Test with answers and explanation. All the questions are taken from intext and Exercises part of NCERT Books for class 9 Science issued for academic session 2020-2021. Explanation of answers will help you to understand questions in depth. Practice these questions to score more in less time.
Which of the following statement is or are incorrect?
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?
Gunja is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Gunja wants to take help from you:
When heat is constantly supplied by a burner to boiling water, then the temperature of water during vaporization:
In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?
In a quiz competition, you are asked a question where you have to choose the statement which is/ are correct?
Which of the following represent the suitable conditions for the liquefaction of gases?
Pankush appeared in class test but he confused to know the correct statement. Would you help him to know that?
In the last year board examination, Rahul were asked a question where he had to choose the statement which was/were correct? Will you be able to answer this question?
Puja is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:
Why do gases exert pressure on the walls of container?
In the gaseous state, the particles move about randomly at high speed and because of this random movement, the particles hit each other and also the walls of the container. That is why, they exert pressure on the walls of container.
What do you understand by latent heat of fusion?
The amount of heat energy that is required to change 1 kg of a solid into liquid at atmospheric pressure at its melting point is known as the latent heat of fusion.
What is Dry Ice?
Solid CO2 gets converted directly to gaseous state on decrease of pressure to 1 atmosphere without coming into liquid state. This is known as Dry Ice.
What do you know about the state of Plasma?
The state consists of super energetic and super excited particles. These particles are in the form of ionised gases. The plasma glows with a special colour depending on the nature of gas. The Sun and the stars glow because of the presence of plasma in them. The plasma is created in stars because of very high temperature.
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