The nitrates of beryllium, calcium, magnesium and strontium all break down in the same way on heating. If $2.00\,\text{g}$ of one of these anhydrous nitrates decomposes to give $1.32\,\text{g}$ of gas, which nitrate is it?
- Aberyllium nitrate
- Bcalcium nitrate
- Cmagnesium nitrate
- Dstrontium nitrate