Which one of the following mineral does not contain oxygen ?

Question

Which one of the following mineral does not contain oxygen ?

Haematite
Bauxite
Cryolite
Calcite

LohaHridoy

6 views

2025-01-04 04:42

1 Answers

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AhmedNazir · Accepted Answer · 2022-09-01T13:21:41+06:00

AhmedNazir

Answer: Option 3

Cryolite (Na3AlF6, sodium hexafluoroaluminate) does not contain oxygen. It occurs as glassy, colorless, white-reddish to gray-black prismatic monoclinic crystals. Cryolite is used as an insecticide and a pesticide. It is also used to give fireworks a yellow color.

6 views Answered 2022-09-01 13:21