हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान कक्षा ११

Assertion (A): Green house effect was observed in houses used to grow plants and these are made of green glass. Reason (R): Green house name has been given because glass houses are made of green - Chemistry

Advertisements
Advertisements

प्रश्न

Assertion (A): Green house effect was observed in houses used to grow plants and these are made of green glass.

Reason (R): Green house name has been given because glass houses are made of green glass.

विकल्प

  • Both A and R are correct and R is the correct explanation of A.

  • Both A and R are correct but R is not the correct explanation of A.

  • Both A and R are not correct.

  • A is not correct but R is correct.

MCQ
Advertisements

उत्तर

Both A and R are not correct.

Explanation:

Since in cold places, sunlight required to grow plants is less. Which plants are kept in a glasshouse so that sunlight enters in the greenhouse to heat up the soil and plants. The warm soil and plants emit infrared radiations which are partially absorbed and partially reflected by the glass.

shaalaa.com
Atmospheric Pollution - Tropospheric Pollution - Gaseous Air Pollutants
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 14: Environmental Chemistry - Multiple Choice Questions (Type - I) [पृष्ठ १८१]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry [English] Class 11
अध्याय 14 Environmental Chemistry
Multiple Choice Questions (Type - I) | Q 39 | पृष्ठ १८१

संबंधित प्रश्न

Explain tropospheric pollution in 100 words.


List gases which are responsible for greenhouse effect.


Statues and monuments in India are affected by acid rain. How?


Which of the following gases is not a green house gas?


The gaseous envelope around the earth is known as atmosphere. The lowest layer of this is extended upto 10 km from sea level, this layer is ______.


The acids present in acid rain are:

(i) Peroxyacetylnitrate

(ii) H2CO3 

(iii) HNO3

(iv) H2SO4 


Green house effect leads to global warming. Which substances are responsible for green house effect?


Some time ago formation of polar stratospheric clouds was reported over Antarctica. Why were these formed? What happens when such clouds break up by warmth of sunlight?


Match the terms given in Column I with the compounds given in Column II.

Column I Column II
(i) Acid rain (a) CHCl2 – CHF2
(ii) Photochemical smog (b) CO
(iii) Combination with haemoglobin (c) CO2
(iv) Depletion of ozone layer (d) SO2
  (e) Unsaturated hydrocarbons

Match the pollutant(s) in Column I with the effect(s) in Column II.

Column I Column II
(i) Oxides of sulphur (a) Global warming
(ii) Nitrogen dioxide (b) Damage to kidney
(iii) Carbon dioxide (c) ‘Blue baby’ syndrome
(iv) Nitrate in drinking water (d) Respiratory diseases
(v) Lead (e) Red haze in traffic and congested areas

Match the pollutants given in Column I with their effects given in Column II.

Column I Column II
(i) Phosphate fertilisers in water (a) BOD level of water increases
(ii) Methane in air (b) Acid rain
(iii) Synthetic detergents in water (c) Global warming
(iv) Nitrogen oxides in air (d) Eutrophication

Assertion (A): Carbon dioxide is one of the important greenhouse gases.

Reason (R): It is largely produced by respiratory function of animals and plants.


Match List - I with List - II.

List - I List - II

(a)

\[\ce{2SO2(g) + O2(g) -> 2SO3(g)}\] (i) Acid rain
(b) \[\ce{HOCl(g) ->[hv] \overset{\bullet}{O}H + \overset{\bullet}{C}l}\] (ii) Smog
(c) \[\ce{CaCO3 + H2SO4 -> CaSO4 + H2O + CO2}\] (iii) Ozone depletion
(d) \[\ce{NO2(g) ->[hv] NO(g) + O(g)}\] (iv) Tropospheric pollution

Choose the correct answer from the options given below.


The gas released during anaerobic degradation of vegetation may lead to ______.


Thermal power plants can lead to ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×