engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) General Science Chemistry

ଗୋଟିଏ ଗ୍ରାମଅଣୁ ପାଣିରେ କେତେ ଅଣୁ ଅଛି?

1
6.02 × 1026 ଅଣୁ
2
7.02 × 1023 ଅଣୁ
3
8.02 × 1022 ଅଣୁ
4
6.02 × 1023 ଅଣୁ
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