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DilliRaja
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GK
Which of the following was to be discovered first in the chromospheres of the sun?
(A) Krypton
2 votes (100%)
(A) Krypton
(B) Xenon
0 votes (0%)
(B) Xenon
(C) Neon
0 votes (0%)
(C) Neon
(D) Helium
0 votes (0%)
(D) Helium
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Wolmal
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