14 Questions
What is the main focus of the Chemistry of Dyes course at Ain Shams University?
The correlation between color and structure of different dyes
How is color described in terms of individual perception?
Involving lightness and saturation for light sources
What happens when white light falls on a substance?
The light may be totally reflected (white color)
Based on the provided text, what is the characteristic of light by which an individual is made aware of objects or light sources?
All of the above
From the text, what is the assessment weight for the final exam in the Chemistry of Dyes course?
70%
According to the provided information, what is a substance that imparts a hue?
All of the above
What is the relationship between color and wavelength of absorbed light?
Inverse
Which compound exhibits reversible transformations upon electromagnetic radiation and shows distinguishable absorption spectra?
P- aminoazobenzene
What is the main difference between dyes and pigments?
Dyes leave residues, but pigments get dissolved in the substrate
What type of compounds have a reversible dependence of color with temperature?
Anils
What is the visible spectrum range of wavelength absorbed for the color violet?
$435-400$ nm
What is the characteristic of photochromism?
Reversible transformations upon electromagnetic radiation
'Pigments generally give brighter colors' - True or False?
True
What property must ideal dyes possess?
Ability to fix itself to the fabric and suitable color
Test your knowledge of the correlation between color and structure of different dyes, their synthesis, and applications. Assess your understanding of the course objectives and assessment weights for the first semester 2022-2023.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
