Question

formationofcl2 of class 10

Answer 1

Answer:

Food items

Gives blue-black

colour when iodine

solution is added.

Gives purple colour

when two drops of

copper sulphate

solution and 10

drops of caustic

soda is added to it.

Oil stains are seen

when rubbed on

paper

Raw potato Yes

Dried coconut

Peanuts

Milk

Answer 2

Formation is defined as an arrangement, the way something is arranged or a coming together. An example of a formation is group of soldiers marching as a group. An example of a formation is a set of rocks that has lasted through the centuries.