16. GREEN CHEMISTRY AND NANOCHEMISTRY Textbook Solution
4. Answer the following
iv. What do you mean by sol and gel? Describe the sol-gel method of preparation for nanoparticles.
Answer:-
Sol-gel method (Wet chemical synthesis of nanomaterials): i. Sol: Sols are dispersions of colloidal particles in a liquid. ii. Gel: A gel is an interconnected rigid network with pores of sub-micrometer dimensions and polymeric chains whose average length is greater than a micrometer.
16. GREEN CHEMISTRY AND NANOCHEMISTRY Class 12 Chemistry Textbook Solution page 352
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