Que. | Commercially, oxygen is prepared by |
- A. Electrolysis of alkaline water
- B. By heating potassium chlorate
- C. By heating metallic carbonates
- D. None of these
Right Answer is :
✓ A. Electrolysis of alkaline water
Views 👍 :1.4K Share : 
✒ To discuss this topic Comment
✕ Cancel
❖ Related Questions
➣ NMR Spectroscopy is ... ➣ In the limit test for sulphate, alcohol ... ➣ Calcium gluconate can be assayed by. ... ➣ The reproducibility of results of a number ... ➣ Sodium chloride hypertonic injection contains: ... ➣ Impurities in pharmaceutical preparation may be due ... ➣ Which one of these users is not ... ➣ The effect of radioactivity particles passing through ... ➣ Sodium pyrosulphate is a synonym for ... ➣ Most solutes in the body fluid are ...