Question

H2O is a compound because:


(a) Two elements of hydrogen and oxygen chemically combined together in a fixed proportion by mass

(b) Property of H2O is entirely different from those of its constituents

(c) H20 has fixed melting and boiling point

(d) All of these​

Answer 1

Answer:

the answer is all of these

Explanation:

yes the hydrogen and oxygen are combined in a ratio 2:1

water is a polar substance

and also it has different boiling point 100°C and melting point 0°C