If the white powder was an starch how would each of the test turn out

Astarch would turn blue-black if exposed to iodine but no visible change would be observed for another reagent. 

Tamarind can be grown on homesteads, plantations, and wasteland or as a forest tree. methods of propagating tamarind there are two methods of propagating tamarind trees: seed propagation and vegetative propagation. seed propagation: it involves the collection, preparation and direct planting of the seed.answer from google full credit to google.

The correct answer:   [c]:   "cell phone call" .