One day Rohan's uncle visited his place. Rohan prepared dinner for him. When he was about to put rock salt on the salad, his uncle interrupted him and asked to put iodised salt instead of rock salt. He also advised him to prefer iodised salt instead of rock salt. Why our think Rohan's uncle advised him to have iodised salt instead of rock salt?

Mayank's father never bothered to check the brand/contents of the salt he had purchased from the market. Mayank noticed that her sister had developed swollen neck. The doctor advised her to eat iodised salt. (i) Name the disease from which Mayank's sister suffered. (ii) Why has the doctor advised her to eat iodised salt? (iii) How will this incidence influence Mayank's attitude towards health?

Mayank's father never bothered to check the brand/contents of the salt he had purchased from the market. Mayank noticed that her sister had developed swollen neck. The doctor advised her to eat iodised salt. (i) Name the disease from which Mayank's sister suffered. (ii) Why has the doctor advised her to eat iodised salt? (iii) How will this incidence influence Mayank's attitude towards health?

On addition of conc. H_(2)SO_(4) to a chloride salt, colourless fumes are evolved but in case of iodise salt, violet fumes come out. This is because

Why is it important to have iodised salt in our diet?

What is iodised table salt ?

The offer of the government to make iodised saltavailable at a low price of one rupee per kilo is welcome, especially since the government seems to be so concerned about the ill effects of non-iodised salt. But it is doubtful whether the offer will actually be implemented. Way back in 1994, the governmental methods for reducing the costs of iodisation to about five paise per kilo. But these reports have remained just those reports on paper. Which one of the following, if true most weakens the author's contention that it is doubtful whether the offer will be actually implemented ?