Artificial sweetner which is stable under cold conditions only is :
Saccharine
Sucralose
Aspartame
Alitame
Aspartame is artificial sweetnar which is stable under cold conditions only.
Hence the correct answer is 3.
Option 1)
Saccharine
Incorrect Option
Option 2)
Sucralose
Incorrect Option
Option 3)
Aspartame
Correct Option
Option 4)
Alitame
Incorrect Option