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Chemistry / Materials
Science & Technology
Chemistry / Materials
Q1.
With reference to polyethylene terephthalate, the use of which is so widespread in our daily lives, consider the following statements:1. Its fibres can be blended with wool and cotton fibres to reinforce their properties.2. Containers made of it can ...
Science & Technology
Chemistry / Materials
Q2.
Consider the following statements:1. Other than those made by humans, nanoparticles do not exist in nature.2. Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics.3. Nanoparticles of some commercial products which enter...