b) ii) Place the remaining residue in a dry test tube. Add 2M nitric acid until all the solid dissolves. Retain the mixture for test (iii) below.
This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
ScanSolve AI Answer
Here are the observations and inferences for the tests on solid M:
b) ii) Place the remaining residue in a dry test tube. Add 2M nitric acid until all the solid dissolves. Retain the mixture for test (iii) below.
| Observations | Inferences |
| :------------------------------------------------------------------------ | :---------------------------------------------------------------------- |
| The white residue dissolves with effervescence to form a colorless solution. | $\boxed{\text{The residue is a carbonate.}}$ |
