A shopkeeper sold you some spices, claiming that those were pure. Later, a laboratory test showed that those were adulterated. What precautions you should have taken before buying the products?

Explanation

While buying a product or service, a consumer should take the following precautions:
(i) See the name of the product, the manufacturer's name and address.
(ii) Date of manufacture and date of expiry
(iii) Net weight
(iv) Standardisation mark
(v) Maximum retail price
(vi) Directions for using the product, if any
(vii) See that the packet was properly sealed and not puffed, torn or in a bad condition.