Environment & Ecology · Environment
Arrange the following steps of the soil respiration assessment method using alkali absorption in the correct sequence: 1. Addition of BaCl2 to precipitate carbonates2. Incubation of soil cores at 25–30°C3. Absorption of CO2 in NaOH4. Titration with HCl using phenolphthalein
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13 → 2 → 1 → 4
- 23 → 1 → 2 → 4
- 32 → 1 → 3 → 4
- 42 → 3 → 1 → 4✓
Correct answer
2 → 3 → 1 → 4
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