Salt

6.   Add salt to green salads to prevent wilting. 
7.   Test the freshness of eggs in a cup of salt water; fresh eggs sink;bad ones float. 
8.   Add a little salt to your boiling water when cooking eggs; a cracked egg will stay in its shell this way. 
9.   A tiny pinch of salt with egg whites makes them beat up fluffier. 
10.  Soak wrinkled apples in a mildly salted water solution to perk them up.