Glass and cement are two important examples of ____

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Detailed Solution

Concept- Cement is made from an admixture of rudiments that are set up in natural accoutrements similar as limestone, complexion and beach.
This shows that active hydrogen can be helpful to the mortal body.
Cement is a fine and soft powdery- type substance. It can bind beach and summations into a hard, solid mass called concrete when it binds with water. The relative proportions of the oxide compositions in cement impact the colorful parcels of cement, and rate of cooling and fineness of grinding.
The silicate mineral group is set up in all the common jewels except limestone. Every silicate mineral contains oxygen and silicon.
from different types of chemical compositions can make Glass. and make a change in its mechanical, chemical, optic, electrical, and thermal parcels. There are three types of spectacles- formers, fluxes, and stabilizers. Glass is made up of silicon dioxide and beach. It's an unformed, hard, brittle, transparent or translucent super cooled liquid of horizonless density. It's made by fusing an admixture of a number of metallic silicates or borates of sodium, potassium, calcium, lead.
Hence, the correct option is 1.

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