WebNCERT Solutions for Class 9 Science Chapter 1 ... state of matter of the substance; hence, the temperature stays constant. 4. Suggest a method to liquify atmospheric gases. Solution: It can be achieved by either increasing the pressure or decreasing the temperature, which ultimately leads to the WebClassification of matter On the basis of its state, matter has been classified by the scientists into five states namely - solid, liquid, gas, plasma and Bose-Einstein Condensate. Among …

STATES OF MATTER - NCERT

WebNCERT Web(a) The difference in the characteristics of the three states of matter. (b) (i) Rigidity: It is the property of matter to continue to remain in its shape when treated with an external force. … pedrobueno278 twitter

NCERT Solutions for Class 9 Science Chapter 1 Matter in Our ...

WebThree states of matter are the result of balance between intermolecular forces and the thermal energy of the molecules. When molecular interactions are very weak, molecules do not cling together to make liquid or solid unless thermal energy is reduced by lowering the … WebJul 8, 2024 · Question. The total pressure of a mixture of two gases is : (a) the sum of the partial pressures. (b) the difference between the partial pressures. (c) the product of the partial pressures. (d) the ratio of the partial pressures. Answer. Question. 500 mL of air at 760 mm pressure were compressed to 200 mL. WebApr 8, 2024 · In this Science (Chemistry) video for class 9 we explained the three states of matter in our surroundings, viz., solid, liquid and gas. This is chapter 1 of ... meaning of word heritage