PYQSide ExamsMy practice

Environmental Chemistry · Question 13

AIPMT 2008MCQEasy📈 Topic in 0% papers+4−1
1

Green chemistry means such reactions which

  1. are related to the depletion of ozone layer
  2. study the reactions in plants
  3. produce colour during reactions
  4. reduce the use and production of hazardous chemicals

Answer

(4) reduce the use and production of hazardous chemicals

Solution

As per NCERT, green chemistry is a way of thinking about utilising the existing knowledge and principles of chemistry and other sciences to reduce the adverse impact on the environment.

⇒ It is a production process that brings out the least pollution, i.e., it reduces the use and generation of hazardous substances.

Answer: (4)

Out of syllabusAIPMT 2008

Keep practising — Environmental Chemistry

2

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below:

  1. Both Statement I and Statement II are false
  2. Statement I is correct but Statement II is false.
  3. Statement I is incorrect but Statement II is true.
  4. Both Statement I and Statement II are true.
Out of syllabusNEET (UG) 2023
3

The pollution due to oxides of sulphur gets enhanced due to the presence of: (a) particulate matter (b) ozone (c) hydrocarbons (d) hydrogen peroxide Choose the most appropriate answer from the options given below:

  1. (a), (d) only
  2. (a), (b), (d) only
  3. (b), (c), (d) only
  4. (a), (c), (d) only
Out of syllabusNEET (UG) 2022
4

Match List-I with List-II : Choose the correct answer from the options given below :

  1. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
  2. (a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)
  3. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
  4. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
Out of syllabusNEET (UG) 2022 (Phase 2)
5

Match List-I with List-II : Choose the correct answer from the options given below.

  1. (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
  2. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
  3. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
  4. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
Out of syllabusNEET (UG) 2021
6

Which of the following is not correct about carbon monoxide?

  1. It reduces oxygen carrying ability of blood.
  2. The carboxyhaemoglobin (haemoglobin bound to CO) is less stable than oxyhaemoglobin.
  3. It is produced due to incomplete combustion.
  4. It forms carboxyhaemoglobin.
NEET (UG) 2020
7

Among the following, the one that is not a green house gas is :

  1. ozone
  2. sulphur dioxide
  3. nitrous oxide
  4. methane
Out of syllabusNEET (UG) 2019
8

Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity?

  1. N2O5
  2. NO2
  3. N2O
  4. NO
Out of syllabusNEET 2018
9

Which of the following is a sink for CO?

  1. Microorganisms present in the soil
  2. Oceans
  3. Plants
  4. Haemoglobin
Out of syllabusNEET 2017
10

Which one of the following is not a common component of Photochemical smog?

  1. Ozone
  2. Acrolein
  3. Peroxyacetyl nitrate
  4. Chlorofluorocarbons
Out of syllabusAIPMT 2014
11

Which one of the following statements is not true?

  1. Clean water would have a BOD value of 5 ppm.
  2. Fluoride deficiency in drinking water is harmful. Soluble fluoride is often used to bring its concentration up to 1 ppm.
  3. When the pH of rain water is higher than 6.5, it is called acid rain.
  4. Dissolved Oxygen (DO) in cold water can reach a concentration up to 10 ppm.
Out of syllabusNEET 2013 (Karnataka)

All Environmental Chemistry PYQs →

PDFDownload Environmental Chemistry PYQs as PDF Free, with answer key and a QR code to every solution — print it or study offline⬇
All NEET Chemistry chapters
Physical ChemistrySome Basic Concepts of ChemistryStructure of AtomStates of MatterThermodynamicsEquilibriumRedox ReactionsSolid StateSolutionsElectrochemistryChemical KineticsSurface Chemistry
Inorganic ChemistryClassification of Elements and Periodicity in PropertiesChemical Bonding and Molecular StructureHydrogens-Block Elementsp-Block Elements (Group 13 & 14)Environmental ChemistryGeneral Principles of Isolation of Elementsp-Block Elements (Group 15–18)d- and f-Block ElementsCoordination Compounds
Organic ChemistryOrganic Chemistry – Some Basic Principles and TechniquesIsomerismHydrocarbonsHaloalkanes and HaloarenesAlcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAminesBiomoleculesPolymersChemistry in Everyday LifePrinciples Related to Practical Chemistry