salt a on treating with concentrated sulphuric acid gives a colourless. gas b having pungent suffocating smell gas b fumes in moist air. salt when introduced in the non luminous bunsen flame with the help of platinum wire impulses persistence gold yellow flame colouration. identify cation ,name the salt a and name the solution which gives white precipitate with gas b

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.