ESS
Grade-10
Easy
Question
SIAL stands for____________ in the Earth’s crust.
- Tin + Aluminium
- Tin + Silver
- Silica + Aluminium
- Silica + Silver
Hint:
Silicon+ Aluminium . It is called Aluminium silicate
The correct answer is: Silica + Aluminium
SiAl is Aluminium silicate which makes the upper most layer of Earths crust.
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