What best describes sugar when dissolved in water? A) A compound B) An alloy C)

Question

What best describes sugar when dissolved in water? A) A compound B) An alloy C) A heterogeneous compound D) A mixture Why was chromatography originally developed? A) To separate different particles in mixtures B) To separate colored pigments in flowers D) To distinguish colored components in coal tar The mobile phase in thin layer chromatography is often: A) a liquid such as water B) a solid surface C) a small containment chamber D) a solid coating on a solid surface Why are different materials separated by chromatography? A) Each material has a slightly different color than the others in the mixture B) Each material moves at a slightly different speed from others in the mixture C) Each material is a different compound in the mixture D) Each material moves at a similar speed to others in the mixture

Explanation / Answer

36. Sugar in water is an example of homogeneous mixture.

It has uniform composition throughout the mixture.

37. Chromatography technique is developped to separate the colored pigments in flowers.

38. Usuallythe mobile phase in TLC is liquid.

39. Answer is option B.

Each colored pigment has slightly different speed in mobile phase.

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.