MCQ - CBSE Class 9 Science Archit dropped a crystal of potassium permanganate into two beakers A and B containing hot water and cold water respectively. After keeping the beakers undisturbed for sometime, what did he observe and why ? 09/27/2023 Ajit kumar 85 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Which phenomenon occurs during the following changes ? 09/27/2023 Ajit kumar 75 Views 0 Comments Read more
MCQ - CBSE Class 9 Science To which physical state of matter do the following statements apply: 09/27/2023 Ajit kumar 85 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Ravi added small amount of common salt to water taken in a graduated cylinder. On dissolution, there was no detectable change in the level of water. Explain why is it so ? 09/27/2023 Ajit kumar 77 Views 0 Comments Read more
MCQ - CBSE Class 9 Science 2 mL of dettol is added to a beaker containing 500 mL of water and stirred. State four observations that you make. 09/27/2023 Ajit kumar 72 Views 0 Comments Read more
MCQ - CBSE Class 9 Science On suffering from fever which will lower down your body temperature, more ice or ice cold water? Why? 09/27/2023 Ajit kumar 108 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Give one property of solid which liquid does not possess and one property of liquid which solid does not possess. 09/27/2023 Ajit kumar 75 Views 0 Comments Read more
MCQ - CBSE Class 9 Science How does pressure help in liquefaction of gases ? Explain. 09/27/2023 Ajit kumar 76 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Why gases show high compressibility? 09/27/2023 Ajit kumar 82 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Why rate of diffusion is faster in gaseous state? 09/27/2023 Ajit kumar 73 Views 0 Comments Read more