Question

he 36. The element which is not
radioactive
निम्नलिखित में कौन तत्व रेडियाएक्टिव
नहीं है?
ea-
(a) Uranium / यूरेनियन
(b) Thorium / entfernt
(c) Calcium / कैल्शियम
(d) Radium / रेडियम -
जब​

Answer 1

Answer:

answer of your question is(a) Uranium

Answer 2

$\huge\star{\underline{\mathfrak{Answer}}}$

(a) Uranium

Uranium can be the answer because it is weekly radioactive rest all the options have some of the Other isotopes which are really radioactive in nature