HSC Science (Electronics) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

Identify condensation polymers and addition polymers from the following.

-(CH₂ - CH = CH - CH₂ -)_n

Identify condensation polymers and addition polymers from the following.

-(CO(CH₂)₄ - CONH(CH₂)₆NH-)_n

Identify condensation polymers and addition polymers from the following.

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Write the chemical reactions involved in the manufacture of Nylon 6,6.

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Explain the vulcanisation of rubber. Which vulcanizing agents are used for the following synthetic rubber?
a. Neoprene
b. Buna-N

Write the reaction involved in the formation of:

Bakelite

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What is meant by LDP and HDP? Mention the basic difference between the same with suitable examples.

How will you illustrate the use of a safer solvent and auxiliaries?

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Define catalyst.

Write preparation, properties, and uses of Teflon.

Explain any three principles of green chemistry.

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Explain the atom economy with a suitable example.

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How will you illustrate the principle, minimization of steps?

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Is synthetic rubber better than natural rubber? If so, in what respect?

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Write main specialities of Buna-S, Neoprene rubber?

Write the structure of isoprene and the polymer obtained from it.

How are amines classified?

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Give two examples of catalysts.

The charge on metal ion in [Fe(CN)₆]⁴⁻ is _________

Hybridization of cobalt in [Co(NH₃)₆]³⁺ complex ion is _____________