PDF chapter test TRY NOW
Vinitha got a pen as a price by identifying a correct unknown substance using the hints below. What is the name of the substance she answered, find this using the below puzzle.
X is a salt. It is useful to cure wounds. And it is useful for students like you to make statues. Identify the X.
X is a salt. It is useful to cure wounds. And it is useful for students like you to make statues. Identify the X.

You're a .
