Year: 2020
Topic: Chemistry-Out Of Syllabus
Time :
1.
Which of the following is not correct about carbon monoxide ?
(1). It reduces oxygen carrying ability of blood.
(2). The carboxyhaemoglobin (haemoglobin bound to CO) is less stable than oxyhaemoglobin.
(3). It is produced due to incomplete combustion.
(4). It forms carboxyhaemoglobin.