The main constituent of water-glass is
- calcium trioxosilicate(IV)
- calcium trioxosulphate(IV)
- sodium trioxosulphate(IV)
-
sodium trioxosilicate(IV)
The correct answer is: D
Explanation
Water glass, also known as sodium silicate or alkali silicate glass, is a glassy solid made up of sodium oxide (Na\(_2\)O) and silica (silicon dioxide, SiO\(_2\)).
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