Question

Answer the above question please​

Answer 1

Answer:

Option 4

Explanation:

The process of intermixing of two gases is called diffusion.

And.....

The physical or chemical process which don't proceed by its own in a particular direction and requires outside help is called non - spontaneous process.

Maybe it will help, (I don't know)

Thanks

Answer 2

Answer:

Both the statements are correct.