29. What are Emulsions? Give an example 相关知识点: 试题来源: 解析 A liquid in a liquid colloid is called an emulsion. If two immiscible liquids are shakenwell, a dispersion of one liquid in the other, an emulsion is obtained.Eg: Milk, butter, vanishing cream ...
Give an example of a micelle system... What is micelle Slideshare? A micelle isan aggregate of surfactant molecules dispersed in a liquid colloid. A typical micelle in aqueous solution forms an aggregate with the hydrophilic "head" regions in contact with surrounding solvent, sequestering the hydro...
What is a Colloid?ASSOCIATION is the characteristic factor in the colloidal state.doi:10.1038/1351033a0McBain, James WNatureNature
What are hydrocolloids give example? A hydrocolloid is defined as a colloid system wherein the colloid particles are hydrophilic polymers dispersed in water. ... Other main hydrocolloids arexanthan gum, gum arabic, guar gum, locust bean gum, cellulose derivatives as carboxymethyl cellulose, alginate...
What are the three types of heat transfer? Give an illustrative example for each type. What is latent heat? What is the opposite of evaporation? What phase change is evaporation? What is the opposite of condensation? What phase change is the reverse of condensation?
What is quenching? What is solvent? What is fractional distillation? What is the definition of a eutectic mixture? Define pure substance. How can an element be artificially transmuted? Give an example that has an element and what it is transmuted into. ...
How would you create 250 mls of a 0.125 M solution from an 8 M solution? What is true about a solution whose pH is less than 7? What is the molar solubility of CaF_2 in a 0.100-M solution of HF? Ka for HF = 6.4 x 10-4. ...
a因此我们可以判断刀具胶体到刀尖长度不够是导致此不良品发生的直接原因 Therefore we may judge the cutting tool colloid the immediate cause which insufficiently is causes this to the knife point length not not good to occur[translate] a两个彼此都有好感的人,因为残酷的现实,他们没有走到一起,他们只能...
What is the definition of a colloid? Give some examples. What is meant by the term trace element? Define the term buffer capacity. Define the normal boiling point of water. Define the term titration and give an example of titration.
Explain what is meant by the term amphoteric. Give an example of a compound that fits the explanation. What is meant by the periodicity of properties? Are metallic bonds directional? Explain In capillary electrophoresis, how does switching the mode from positive polarity mode to negative polarity ...