1. Nancy was asked to pick a diatomic chemical compound from the laboratory. She found four compounds in different test tubes. Which of the following do you suggest Nancy to select?
2.Karthi was asked to buy salt from a nearby shop. He forgot the name of the salt. He browsed the internet about the salt and found various salts. He got confused and made a call to his Mom and found the name. What do you guess the name of that salt using in the kitchen?