Test Imat 2019-2020: quiz di Chimica

Domande ufficiali di Chimica proposte dal Miur al test IMAT 2019-2020

Domanda 3 di 12

A student observed that when powdered sugar at –1 °C was added to ice at –1 °C all of the ice melted.

Which of the following statements explain this observation? 1 Sugar has given the water molecules energy. 2 The melting point of the mixture is higher. 3 The melting point of the mixture is lower.