Ineed with question 63 which is after the ice cubes have melted completely, which glass will contain a mixture and it’s very hard and i’m struggling with it and if you need to see the picture big then click on it and it will be big

The glass with the Alcohol. 

The glass with the alcohol will contain a mixture. This is because the melted ice will then be incorporated into the alcohol, creating a mixture of water and alcohol. However when the ice melts int he water, since ice is just frozen water, it the glass is still a pure substance because water is a pure substance and no other different substances have been added to it. 

Bookpagechapter letter sentence word1

The answer is reflection.