On Friday, she got 92% on the test.

Marta’s eyes widened. "You studied chemistry?"

Old Rui laughed. "In 1987, I borrowed a Química 11ª Classe from the Soviet-Cuban school library. Never returned it." He wiped his hands and disappeared into his shack. A minute later, he emerged with a battered, coffee-stained, dog-eared book. The cover was barely legible:

About the author

baixar livro de quimica 11 classe pdf

Aadarshbharthi Goswami

Student 3rd BHMS