Question

A. Raju tested a piece of pizza with iodine solution. He saw that the lodine solution tumed
blue-black. Which nutrient is pizza rich in? How do you know?
B. How can we test the presence of protein in a food item?
Rita washed some black dool many times before cooking it. Her mother told her that pul
grains should be washed only 3-4 times. What do you think happens when pulses and
washed too many times?​

Answer 1

Answer:

if iodine solution turns into blue black it indicates the presence of starch means carbohydrates in the food

if we wash grains too many times then they lose their nutrients

Answer 2

Answer:

if the iodine solution change into black or blue it indicates presence of starch