Question

which food compnent is present in salt and sugar

Answer 1

Here are some good ways to introduce iodine more naturally into your diet. Natural iodine sources include:

Ocean caught or farmed fish and shellfishMilk, cheese, yogurt, eggs & vegetables grown in iodine-rich soilMultivitamins that also contain minerals provide around 150mg of iodine

Also it's good to remember that pregnant and breast-feeding mothers need a higher amount of iodine in their diet. 

Answer 2

Sodium,chlorine and minerals in salt
glucose fructose fat and sucrose in sugar