Question

1. A mineral causes anaemia when it is not present in sufficient concentration. Name this mineral.What are symptoms associated with this disease? Also give one rich source of this mineral.
2.A small quantity of powered food sample is taken in a test tube.Few drops of a blue coloured solution were added to it .The mixture was then heated slowly. The blue coloured solution turned orange on heating .
i)Identify the blue coloured solution.
ii) Which nutrient is present in the food sample?
Give a proper answer of these questions. ​

Answer 1

Answer:

1. Iron.

symptoms- anaemia

source- meat , spinach

2.

i)iodine

ii)starch