Which of the following gases turns the acidified potassium dichromate paper green (a) HCl (b) H2S (c) CO2 (d) SO2 Which of the following gases turns the acidified potassium dichromate paper green (a) HCl (b) H2S (c) CO2 (d) SO2 November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
