GENERAL HISTOLOGY

INTRODUCTION

MICROSCOPE PARTS MAGNIFICATION RESOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is an example is of a hydrophobic substance
A
Oil
B
Sugar
C
Salt
D
Water
Explanation: 

Detailed explanation-1: -Hydrophobic substances are composed of non-polar molecules that repel bodies of water and attract other neutral molecules and non-polar solvents. Examples of these molecules are alkanes, oils and fats in general.

Detailed explanation-2: -In fact, oils are hydrophobic, or “water fearing.” Instead of being attracted to water molecules, oil molecules are repelled by them. As a result, when you add oil to a cup of water the two don’t mix with each other.

Detailed explanation-3: -The hydrophobic portion of the emulsifier dissolves in the oil phase, and the hydrophilic portion dissolves in the aqueous phase, forming a dispersion of small oil droplets.

Detailed explanation-4: -The degree or extent to which a molecule or surface attracts water is known as the ‘hydrophilicity’ of that molecule. Some of the most common examples of hydrophilic substances are sugar, salt, starch, and cellulose.

Detailed explanation-5: -Waxes – paraffin, carnauba, beeswax. Steroids – progesterone, testosterone, and other hormones derived from naturally hydrophobic cholesterol. Greases – lithium-calcium grease, sulphonates, lithium complexes, and perfluorinated oils. Oils – mineral oil, vegetable oil, and tung oil. More items •12-Jan-2023

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