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Solution


Q.

Identify the inorganic sulphides that are yellow in colour :

(A) (NH4)2S
(B) PbS
(C) CuS
(D) As2S3
(E) As2S5

Choose the correct answer from the options given below :              [2025]
1 (A) and (C) only  
2 (A), (D) and (E) only  
3 (A) and (B) only  
4 (D) and (E) only  

Ans.

(4)