In this picture we can see a person's hand and there is a chemical bottle in his hand. This is round bottom flask with water in it.
In this picture we can see a person 's hand and there is a chemical bottle in his hand . In this picture we can see a person 's hand and there is a chemical bottle in his hand . This is round bottom flask In this picture we can see a person 's hand and there is a chemical bottle in his hand . This is round bottom flask with water in it .
In this picture we can see a person 's hand and there is a chemical bottle in his hand . In this image there is an object In this picture we can see a person 's hand and there is a chemical bottle in his hand . This is round bottom flask , in the background