Q355. | In limit test for chloride, opalescence is produced by the precipitation of: |
Q356. | In limit test for iron standard solution is prepared with: |
Q357. | Which acid is added to prevent the precipitation of iron as ferric Hydroxide in limit test for iron? |
Q358. | Thioglycollic acid is a: |
Q359. | Limit test for chloride, sulphates and iron are carried out in: |