Question

10. Which of the following given statement is/are
correct?
(1) An element of a substance contains only one
kind of atoms.
(ii) In con, carbon and oxygen chemically
combined in a fixed proportion of 3 : 8 by
mass.
(iii) The constituents of the pure substances can be
separated by single physical methods.
(M) Milk is heterogenous mixture.
(1) O) and (ii)
(2) 0), (iii) and (iv)
(3) Only (0)
(4 0. (D). (iii) and (iv)​

Answer 1

( 2 ) sahi answer hai
mark me brainliest plss