3 questions from 2022
In the flame test of a mixture of salts, a green flame with blue centre was observed. Which one of the following cations may be present?
Which of the following is structure of a separating funnel?
During the qualitative analysis of salt with cation \( y^{2+} \), addition of a reagent \( (X) \) to alkaline solution of the salt gives a bright red precipitate The reagent \( (X) \) and the cation \( (y^{2+}) \) present respectively are;
