1.

The gold number of `A,B,C and D` or `0.04, 0.002, 10 and 25` respectively. Protective power of `A,B,C, andD` are in orderA. `AgtBgtCgtD`B. `BgtAgtCgtD`C. `DgtCgtBgtA`D. `CgtAgtBgtD`

Answer» Correct Answer - D
protective power `prop (1)/("Gold number")`
Hence the correct order of protective powr is `B gt A gt C gt D`.


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