As part of a school assignment, four students (W, X, Y, and Z) were given mixtures to separate.
W was given a mixture of chalk powder and water.
X was given a mixture of wheat grains and chaff.
Y was given a mixture of sand and water.
Z was given a mixture of salt and water.
Unscramble the separation methods and match the students with the correct methods they should use.
(1) GINWNNOIW
(2) IONRATLIFT
(3) NOITATMENIDES NDA NOITATNACED
(4) NOITAROPAVE DNA NTIOASNEDNOC
A W-2, X-1, Y-3, Z-4
B W-3, X-2, Y-1, Z-4
C W-4, X-3, Y-1, Z-2
D W-1, X-2, Y-4, Z-3