In the test for nitrogen, the sodium fusion extract is acidified with which of the following?
A. Dilute sulphuric acid
B. Dilute hydrochloric acid
C. Concentrated hydrochloric acid
D. Concentrated sulphuric acid
Answer:C
In the test for nitrogen, the sodium fusion extract is acidified with which of the following?
A. Dilute sulphuric acid B. Dilute hydrochloric acid C. Concentrated hydrochloric acid D. Concentrated sulphuric acid