Questions

I would do the following if I run out of ideas for a new ad:

       - Word of mouth marketing

       - Direct marketing

       - Public opinions survey

       - Trade show/exhibition promotion etc.  

SI Bhyrappa

Open market operations (OMO) refer to the buying and selling of government securities in the open market in order to expand or contract the amount of money in the banking system.

The given statement is True.

Ketchup is acidic, having a pH of 3.9. The acidic component, acetic acid, will react with the metal tin. This reaction will result in a metal acetate that will contaminate the ketchup.

Hence, The acetic acid in the ketchup will react with the metal tin, forming a metal acetate that will pass into the ketchup which leads to its contamination.