Question

which of the following is method for preparation of nanomaterials?​

Answer 1

Answer:

where are the options anyway the answer is

Pure and doped metal nanomaterials can be synthesized via decomposing metal alkoxides and salts by applying high energy using heat or electricity. However, the properties of the produced nanomaterials strongly depend on the precursor concentrations, the flow rate of the precursors and the environment.

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Answer 2

Answer:

Preparation of metal-based nanomaterials synthesis through a variety of means such as microemulsions. According to the Journal of Pharmacy & BioAllied Sciences, the main technique used to create magnetic metal-based nanoparticles is through the manipulation of iron salts via chemical coprecipitation