Question

व्हिच ऑफ द फॉलोइंग इज नॉट एलिमेंट ऑफ सिस्टम​

Answer 1

Answer:

Pure elements are Substances which are made up of only one kind of atom. Air is a mixture of element and compound whereas alcohol in water is a mixture of compounds. CO

2

is a pure compound and not an element.