How to Check Spices for Adulteration: People use spices like turmeric, chilli powder, cumin, black pepper, asafoetida etc. while cooking every day. Now even canned and loose spices are available in the market. It becomes difficult to identify which one is real and which one is fake. We are telling you about 5 spices, whose pure or impure, you can identify in just a few seconds sitting at home.