Start learning →

MHT-CET Green Chemistry and Nanochemistry — practice questions — page 3

Explore 64 free Green Chemistry and Nanochemistry questions in MHT-CET Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

Practise Green Chemistry and Nanochemistry with Quill →

Green Chemistry and Nanochemistry questions and exercises with answers

Showing questions 61–64 of 64.

Why is carbon black added to car tyres?Read the answer and worked solution →Silver nanoparticles in water purifiers act as what?Read the answer and worked solution →Which plant is cited as an example of a self cleaning surface through nanostructures?Read the answer and worked solution →In 1998, Anastas and which other chemist published the twelve principles of green chemistry?Read the answer and worked solution →

Worked practice questions

Why is carbon black added to car tyres?

  1. Make the tyre last longer
  2. Reduce the tyre weight
  3. Make tyres transparent
  4. Increase air leakage rate
Show answer and solution

Correct answer: A. Make the tyre last longer

Carbon black reinforces rubber so that tyres last longer.

Open this question →

Silver nanoparticles in water purifiers act as what?

  1. Bacterial disinfectant
  2. Water colouring agent
  3. Ion exchange resin
  4. Flocculating agent
Show answer and solution

Correct answer: A. Bacterial disinfectant

Silver nanoparticles disinfect water and remove E. coli.

Open this question →

Which plant is cited as an example of a self cleaning surface through nanostructures?

  1. Lotus
  2. Rose
  3. Banyan
  4. Neem
Show answer and solution

Correct answer: A. Lotus

Nanostructures make lotus leaves superhydrophobic, so rolling water carries dirt away.

Open this question →

How to practise

  1. Choose a Green Chemistry and Nanochemistry question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

More Chemistry topics

ElectrochemistrySolutionsCoordination CompoundsChemical KineticsChemical Bonding and Molecular StructureAldehydes, Ketones and Carboxylic AcidsHydrocarbonsStructure of Atom