Mam mera vo TsNHNH2,NaBH3CN vala question me correct ans. Option A me dikha raha tha abhi meri response sheet me C dikha raha hai and choosed option me A hi hai And ek question me do ans. Dikha raha hai mene A kiya tha jo correct hai
Mam if you use english you will be get more fans, there are South Indians also those watching your videos Please use english madam Make our channel national chemistry channel