Which of the following word can be formed by using the letters of the word ‘WELCOME’? शब्द ‘WELCOME’ के वर्णों की सहायता से निम्नलिखित में से कौनसा शब्द निर्मित किया जा सकता है?
Assertion : For drying H2S, Conc. H2SO4 cannot be used.
Reason: Moist H2S is oxidized by Conc.H2SO4
The correct statement with regard to H+2 & H−2 is