Question
What happens to the force between two objects, if the masses of both objects are doubled?
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Why water should be used judiciously?
Give an example of diffusion across plasma membrane.
Describe with the help of a diagram, how compressions and rarefactions are produced in air near a source of sound.
| Temperature: | 10°C | 20°C | 40°C | 60°C | 80°C |
| Solubility: | 24g | 37g | 41g | 55g | 66g |
$^1_1\text{H},\ ^2_1\text{H},\ ^3_1\text{H}$
Explain why: