TS TET Math and Science Model Paper 2 (తెలుగు)

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Question : 127 of 150

Marks: +1, -0

కిందివాటిలో సరికానిది

$N_2 → 78.04%$
$O_2→ 20.937%$
$Ar → 0.934%$
$CO_2 → 0.33%$

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