Pick and copy all the incorrect options for the following question:

A group of students is investigating two substances to determine which is table salt and which is table sugar. How would the students best identify each substance?

Options:
- by noticing if they dissolve in water
- by studying the color of the substance
- by observing if they stick to a surface
- by examining the shape of the crystal



- by noticing if they dissolve in water



- by studying the color of the substance



- by observing if they stick to a surface



