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One of the mineral cintaining calciumm, ...

One of the mineral cintaining calciumm, titanium (iv) and oxygen is termed as pervoskite and has the following structure. `Ca^(+2)` ions occupy the corners of the cube, `O^(2-)` occupy the face center and `Ti^(+4)` is present at the centre of the cube. Based in this information answer the question that follow:
[Atomic weight: `Ca=40, O=16, Ti=48`]
The ratio by mass of `Ca:Ti:O` in pervoskite is given by :

A

`1:1:3`

B

`2.5:3:3`

C

`3:2:1`

D

`1:1:1`

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One of the mineral cintaining calciumm, titanium (iv) and oxygen is termed as pervoskite and has the following structure. Ca^(+2) ions occupy the corners of the cube, O^(2-) occupy the face center and Ti^(+4) is present at the centre of the cube. Based in this information answer the question that follow: [Atomic weight: Ca=40, O=16, Ti=48 ] Which of the following cannot have pervoskite structure?

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