1. Caustic soda:
- Its chemical formula is NaOH
- Solid sodium hydroxide gives highly exothermic reaction in which a large amount of heat is liberated, posing a threat to safety through the possibility of splashing.
- The resulting solution is usually colourless and odorless with slippery feeling upon contact in common with other alkalis.
- It is a strong base because it gives OH- ions in solution.
2. Brilliance in science mean intense brightness of light or the vividness of the colour of something mostly of minerals. In english it has a relation with brilliant meaning exceptional talent or intelligence.
3. Talc is a white, gray, or pale green soft mineral with a greasy feel, occurring as translucent masses or laminae and consisting of magnesium hydroxyl silicate.
