Which of the following is a mixture?

Q. Which of the following pair will exhibit diffusion?
(A) Salt and sugar
(B) Ink and water
(C) Sand and iron particles
(D) Salt and sand

Q. Which one the following represents relative density of saturated sand deposit having moisture content of 25%, if maximum and minimum void ratio of sand are 0.95 and 0.45 respectively and specific gravity of sand particles is 2.6?

Q. Which of the following is the landform formed when fine and light sand particles are transported over long distances?

Q. Which of the following property/properties of sand is used for a sand bath during roasting?

Q. Which of these has the smallest size of particles?

(a) sand
(b) silt
(c) clay
(d) gravel