Question

How will you detect adulterants at home for the following:

1. Milk

2. Honey

3. Sugar

4. Coffee powder

5. Food grains​

Answer 1

Answer:

1.Milk

Explanation:

please mark me brainliest

Answer 2

(A) For milk:-
1.Put a drop of milk on a polished slanting surface.

2.Pure milk either stays or flows slowly leaving a white trail behind.

3.Milk adulterated with water will flow immediately without leaving a mark.


(B) For honey :-

1.Pour some water into a glass.

2. To this, add a few drops of honey.

3.If the honey entirely settles at the bottom, it is not adultered.


(C) For sugar :-

Take a glass (transparent) of water. Now, dissolve 10 gram of the sample in water. If sample (sugar/pithi sugar/jaggery) is mixed with chalk, the adulterant will settle down at the bottom.


(D) For coffee powder

1.Add ½ teaspoon of coffee powder in a transparent glass of water.

2.Stir for a minute and keep it aside for 5 minutes. Observe the glass at the bottom.

3.Pure coffee powder will not leave any clay particles at the bottom.

4.If coffee powder is adulterated, clay particles will settle at the bottom.


(E) For food grains:-


1.Take a transparent glass of water.

2.Add 2 teaspoons of food grains and mix thoroughly.

3.Pure food grains will not leave any colour.

4.Adulterated food grains leaves colour immediately in water.

Hope this helps!