November 2018 1 103 Report

Zadanie 1 Pan Jan zakupił nawóz (wapno gaszone), aby zmienić właściwości gleby przeznaczonej pod niektóre uprawy.
Które równanie przedstawia proces dysocjacji jonowej tego nawozu?
A. Ca(OH)2 Ca2+ + 2 OH C. CaO + H2O → Ca(OH)2
B. NaOH Na+ + OH D. K2O + H2O → 2 KOH

Zadanie2

Ostatnio panią Ewę zaciekawił artykuł o substancjach zapachowych obecnych w roślinach. Dowiedziała się z niego, że octan propylu ma zapach gruszek. Produktem jakiej reakcji chemicznej jest ester o wspomnianym aromacie?

A. Reakcji zobojętniania, w której substratami są C3H7COOH i C2H5OH.
B. Reakcji estryfikacji, w której substratami są CH3COOH i C3H7OH.
C. Reakcji estryfikacji, w której substratami są CH3COOH i CH3OH.
D. Reakcji syntezy, w której substratami są CH3COOC3H7 i H2O

Proszę o szybkie rozwiązanie ;)

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