MCQ - CBSE Class 9 Science Why the interconversion of states of matter is considered as a physical change? Give three reasons to justify your answer. 09/28/2023 Ajit kumar 64 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Suggest a suitable separation technique for the following: 09/28/2023 Ajit kumar 74 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Write one point of difference between concentration and solubility. 09/28/2023 Ajit kumar 66 Views 0 Comments Read more
MCQ - CBSE Class 9 Science How colloids are different from suspension ? Identify the colloids from the following: Soda water, milk, sponge, clouds, mixture of alcohol and water, jelly. 09/28/2023 Ajit kumar 64 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Name the separation techniques which you will apply for the separation of the following mixtures: 09/28/2023 Ajit kumar 73 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Write your observations when the following processes take place : 09/28/2023 Ajit kumar 60 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Describe any three properties of colloids. Categorise the following examples of colloids into different categories of colloids : Jelly, fog, milk, shaving cream. 09/28/2023 Ajit kumar 54 Views 0 Comments Read more
MCQ - CBSE Class 9 Science How will you separate a mixture of common salt, camphor and iron filings. Describe the process. 09/28/2023 Ajit kumar 81 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What is meant by crystallisation? How is impure copper sulphate purified by the process? 09/28/2023 Ajit kumar 64 Views 0 Comments Read more