Question
Chemistry Question on General Principles and Processes of Isolation of Elements
You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of them will you not use for the purpose?
A
Chilled test tube
B
Test tube containing heparin
C
Test tube containing sodium oxalate
D
Test tube containing calcium bicarbonate
Answer
Test tube containing calcium bicarbonate
Explanation
Solution
The test tube you will not use for drawing blood is the one containing calcium bicarbonate.