Q44.The concentration of dissolved oxygen (DO) in cold water can go upto (1) 14ppm (2) 8 ppm (3) 10ppm (4) 16pom
What This Question Tests
This question tests the factual knowledge about the concentration of dissolved oxygen in cold water, an important aspect of water quality.
Concepts Tested
📚 NCERT Sections This Tests
1.27 — If The Solubility Product Of Cus Is 6 × 10–16, Calculate The Maximum Molarity Of
Chemistry Class 11 · Chapter 1
1.27 If the solubility product of CuS is 6 × 10–16, calculate the maximum molarity of CuS in aqueous solution.
5.18 — What Is Crystal Field Splitting Energy? How Does The Magnitude Of Do Decide
Chemistry Class 11 · Chapter 5
5.18 What is crystal field splitting energy? How does the magnitude of Do decide the actual configuration of d orbitals in a coordination entity?
1.35 — Henry’S Law Constant For The Molality Of Methane In Benzene At 298 K Is
Chemistry Class 11 · Chapter 1
1.35 Henry’s law constant for the molality of methane in benzene at 298 K is 4.27 × 105 mm Hg. Calculate the solubility of methane in benzene at 298 K under 760 mm Hg.
📋 Question Details
- Chapter
- Environmental Chemistry
- Topic
- Dissolved oxygen (DO)
- Year
- 2019
- Shift
- 11 Jan Shift 1
- Q Number
- Q44
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 14: Environmental Chemistry
More from this Chapter
Q58.Regular use of which of the following fertilizer increases the acidity of soil? (1) Potassium nitrate (2) Urea (3) Superphosphate of lime (4) Ammonium sulphate
Q54.Identify the wrong statements in the following: JEE Main 2008 JEE Main Previous Year Paper (1) Chlorofluorocarbons are responsible for ozone (2) Greenhouse effect is responsible for global layer depletion warming (3) Ozone layer does not permit infrared radiation (4) Acid rains is mostly because of oxides of from the sun to reach the earth nitrogen and sulphur
Q46.Green house gases can be arranged in 'Global Warming Potential' sequence as (1) N2O > CFC > CH4 > CO2 (2) CFC > N2O > CH4 > CO2 (3) CFC > CO2 > N2O > CH4 (4) CO2 > CFC > N2O > CH4 JEE Main 2012 (07 May Online) JEE Main Previous Year Paper
Q46.Water sample is reported to be highly polluted if BOD (Biological Oxygen Demand) value of sample becomes (1) more than 17ppm (2) equal to 10ppm (3) equal to 5ppm (4) less than 5ppm