Question

There are four mixtures A,B,C and D. The mixture A contains sand and sugar, mixture B contains chalk powder and salt, mixture C contains salt and sugar , whereas mixture D contains sugar and charcoal powder. Which one of these mixture cannot be seprate by using water as a solvent ? Why?​

Answer 1

Answer:

कृपया मुझे दिमागी रूप से चिह्नित करें merk my as brein asb

Answer 2

when the is x−y

⟾ Dist=100km

⟾ =5 hours

⟾ Dist =S×T

⟾ 100=(x−y)5

⟾ x−y=20⟶(I)

when THE is x+y

⟾ Dist=100km

⟾ t=1 hours

⟾ Dist=ST

⟾ 100=(x+y)1

⟾ x+y=100⟶(II)

⟾ x−y=20

⟾ x+y=100

​⟾ 2x=120

⟾ x=60km/h