हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Low concentration of oxygen in the blood and tissues of people living at high altitude is due to ______.

Advertisements
Advertisements

प्रश्न

Low concentration of oxygen in the blood and tissues of people living at high altitude is due to ______.

विकल्प

  • Low temperature

  • Low atmospheric pressure

  • High atmospheric pressure

  • Both low temperature and high atmospheric pressure

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

Low concentration of oxygen in the blood and tissues of people living at high altitude is due to low atmospheric pressure.

Explanation:

At high altitudes the atmospheric pressure is decreased and due to low atmosphere pressure the solubility oxygen in blood and tissues is reduced.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Solutions - Exercises [पृष्ठ १८]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 2 Solutions
Exercises | Q I. 6. | पृष्ठ १८

संबंधित प्रश्न

Why do gases always tend to be less soluble in liquids as the temperature is raised?


H2S, a toxic gas with rotten egg like smell, is used for the qualitative analysis. If the solubility of H2S in water at STP is 0.195 m, calculate Henry’s law constant.


The partial pressure of ethane over a solution containing 6.56 × 10−3 g of ethane is 1 bar. If the solution contains 5.00 × 10−2 g of ethane, then what shall be the partial pressure of the gas?


Which mixture is used for respiration by deep sea divers?

(A) He + O2

(B) Ne + O2

(C) Ar + O2

(D) Kr + O2


Give reasons for the following :

Aquatic animals are more comfortable in the cold water than in warm water.


A solution is prepared by dissolving 9.25 g of non-volatile solute in 450 mL of water. It has an osmotic pressure of 350 mm of Hg at 27°C. Assuming the solute is non-electrolyte, determine its molecular mass. (R = 0.0821 Lit-atm K−1 mol−1)


Write the name of gas released when Cu is added to the conc. HNO3 


Which law shows relation between pressure and solubility of a gas in solvent?


Henry’s law constant of oxygen is 1.4 × 10–3 mol lit–1 atm–1 at 298 K. How much of oxygen is dissolved in 100 ml at 298 K when the partial pressure of oxygen is 0.5 atm?


The value of Henry's constant KH is ______.


Solubility of gases in liquids decreases with rise in temperature because dissolution is an ______.


Explain the following phenomena with the help of Henry’s law.

Painful condition known as bends.


Match the items given in Column I with the type of solutions given in Column II.

Column I Column II
(i) Soda water (a) A solution of gas in solid
(ii) Sugar solution (b) A solution of gas in gas
(iii) German silver (c) A solution of solid in liquid
(iv) Air (d) A solution of solid in solid
(v) Hydrogen gas in palladium (e) A solution of gas in liquid
  (f) A solution of liquid in solid

Assume that argon exerts a partial pressure of 6 bar. Calculate the solubility of argon gas in water. (Given Henry’s law constant for argon dissolved in water, KH = 40 k bar)


Henry's constant (in k bar) for four gases α, β, γ and δ in water at 298 K is given below:

  α β γ  δ
KH 50 2 2 × 10-5 0.5

(density of water = 103 kg m-3 at 298 K)

This table implies that:


In which of the following solvents, the \[\ce{C4H8NH3+X–}\] is soluble?


Write the two applications of Henry’s law.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×