MCQ - CBSE Class 9 Science The mass per unit volume of a substance is called density (density = mass/volume). Arrange the following in order of increasing density – air, exhaust from chimneys, honey, water, chalk, cotton and iron. 09/27/2023 Ajit kumar 75 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What are the characteristics of the particles of matter ? 09/27/2023 Ajit kumar 61 Views 0 Comments Read more
MCQ - CBSE Class 9 Science A diver is able to cut through water in a swimming pool. Which property of matter does this observation show ? 09/27/2023 Ajit kumar 55 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Give reasons for the following observation : 09/27/202309/27/2023 Ajit kumar 64 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Which of the following are matter? 09/27/202309/27/2023 Ajit kumar 72 Views 0 Comments Read more