Question

able to see the licht Paintly. The
Ta
liht. Ne you
(present
An oily patch on paper shows
the food item contains fat. The to
Yes
Yes
food
Test for Protein
Table 2.2 Nutrients preu
food items
Take a small quantity of a food item for
Protein
the food you want to
testing
Starch
(present)
est is a solid. you first need to
or powder it.
(present)
Food item
make a paste of
Grind or mash a small quantity
Raw potato
of the food item. Put some of this
in a clean test tube, add 10 drops
Milk
of water to it and shake the
Groundnut
Now, using a dropper, add
Uncooked
wo drops of solution of copper
powdered
rice
sulphate and ten drops of
solution of caustic soda to the
Cooked rice
water. Therefore, after you have rub
an item on paper let the paper dry
while. If there were any water that
have come from food, it would do
after some time. If no oily patchs
up after this, the food item doe
contain any fat.
What do these tests show? Ar
proteins and starch present in
food items that you tested? Does
item contain more than one nu
Do you find any food item that d
contain any of these nutrients?
We tested food items fo
nutrients - carbohydrates,
and fats. There are also other i
like vitamins and minerals
present in different food items
we need all these nutrients?
Dry coconut
Uncooked
tuar dal
(powdered)
Cooked dal
A slice of any
vegetable
A slice of any
fruit
Boiled egg
(white
portion)
Copper
Sulphate
2.2 WHAT DO VARIOUS NUT
FOR OUR BODY?
Carbohydrates mainly pro
to our body. Fats also give
In fact, fats give much i
as compared to the sam
carbohydrates. Foods
2.2 Testing for protein​

Answer 1

Answer:

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