alleryମାରି ଏବଂ ପିଏର କ୍ୟୁରୀଙ୍କ ଦ୍ୱାରା କେଉଁ ଦୁଇଟି ତେଜସ୍କ୍ରିୟ ମୌଳିକ ଆବିଷ୍କୃତ ହୋଇଥିଲା?
Aୟୁରାନିୟମ୍ & ଥୋରିୟମ୍
Bପୋଲୋନିୟମ୍ & ରେଡିୟମ୍
Cକ୍ୟୁରିୟମ୍ & ଫ୍ରାନ୍ସିୟମ୍
Dକୋବାଲ୍ଟ & ସିଜିୟମ୍
Answer & Solution
Correct answer: B. ପୋଲୋନିୟମ୍ & ରେଡିୟମ୍
ମାରି ଏବଂ ପିଏର କ୍ୟୁରୀ 1898 ମସିହାରେ ପୋଲୋନିୟମ୍ ଏବଂ ରେଡିୟମ୍ ନାମକ ରାସାୟନିକ ମୌଳିକ ଆବିଷ୍କାର କରିଥିଲେ।
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