Name the salt which is generally given to the patient before taking stomach X-ray.

Ba^(2+) ions are poisonous, still they are provided to patients before taking stomach X-ray. Explain.

Name one salt which is used in salt bridge.

Name: a salt which is a weak electrolyte.

Write the name of the cell which is generally used in inverters. Write the reactions taking place at the anode and the cathode of this cell.

Name the drug which is useful analgesic in patients undergoing surgery

Name the drug which is useful analgesic in patients undergoing surgery

"Ray fungi' is the name given to:

Name the antacid which prevents the formation ofacid in stomach.