जॉइन Examsbook
Which of the following is not a method of preparing oxygen?5
प्र: Which of the following is not a method of preparing oxygen?
- 1Electrolysis of waterfalse
- 2Fractional distillation of liquid airtrue
- 3Decomposition of potassium permanganatefalse
- 4Decomposition of manganese dioxidefalse
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 2. "Fractional distillation of liquid air"
समान प्रश्न
Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.