Identify this method?

A. Nalgonda technique
B. Double pot method of chlorination
C. Horrock’s apparatus
D. Orthotolidine test

13895423_748286518607579_3213682675707867268_n

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s