Identify the pollutant gases largely responsible for the discoloured and lustreless nature of marble of the Taj Mahal.
- A$O_3$ and $CO_2$
- B$CO_2$ and $NO_2$
- C$SO_2$ and $NO_2$
- D$SO_2$ and $O_3$
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Which of the following statements is $NOT$ correct regarding tannins?
What concentration of carboxyhaemoglobin complex in the human body reduces the oxygen-carrying capacity of haemoglobin?
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View SolutionWhich of the following compounds is the most harmful component of photochemical smog?
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View SolutionGiven below are two statements:
Statement $I:$ Classical smog occurs in cool humid climate. It is a reducing mixture of smoke,fog and sulphur dioxide.
Statement $II:$ Photochemical smog has components,ozone,nitric oxide,acrolein,formaldehyde,$PAN$ etc.
In the light of above statements,choose the most appropriate answer from the options given below:
Statement $I:$ Classical smog occurs in cool humid climate. It is a reducing mixture of smoke,fog and sulphur dioxide.
Statement $II:$ Photochemical smog has components,ozone,nitric oxide,acrolein,formaldehyde,$PAN$ etc.
In the light of above statements,choose the most appropriate answer from the options given below:
Excess nitrate in drinking water can cause
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