**Statement I:** and both have a yellow colour. **Statement II:** and can be separated using yellow — Qualitative and Quantitative Analysis Chemistry Question

💡 Solution & Explanation

Both form yellow sulphide precipitates. However, $As_2S_3$ is a Group IIB sulphide and dissolves in Yellow Ammonium Sulphide (YAS) due to its amphoteric nature, while $CdS$ (Group IIA) remains insoluble.