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HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Important Questions for Chemistry

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Chemistry
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Define:
a. Analgesics 
b. Antimicrobials 

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Chemistry in Everyday Life

An antihistamine drug is _______.

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Chemistry in Everyday Life

Write the formula to calculate the % atom economy.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Principles of Green Chemistry

Name the γ-isomer of BHC.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Principles of Green Chemistry

Answer the following

Which nanomaterial is used for tyres of the car to increase the life of tyres?

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: History of Nanotechnology

Answer the following

Give the full form (long form) of the name for following instrument.

XRD

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: History of Nanotechnology

Answer the following

Give the full form (long form) of the name for the following instrument.

TEM

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: History of Nanotechnology

Define the following term:

Nanoscience

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Introduction to Nanochemistry

Define the Nanochemistry.

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Chapter: [16] Green Chemistry and Nanochemistry
Concept: Introduction to Nanochemistry

Answer the following

How nanotechnology plays an important role in water purification techniques?

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Applications of Nanomaterials

Answer the following

Which nanomaterial is used in sunscreen lotion? Write its use.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Introduction to Nanochemistry

Explain any three principles of green chemistry.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Principles of Green Chemistry

Which flower is an example of self-cleaning?

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Applications of Nanomaterials

Name the catalyst used to manufacture H2SO4 by contact process.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Characteristic Features of Nanoparticles

Which principle of green chemistry has its perspective towards carrying out reactions at room temperature and pressure?

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Principles of Green Chemistry

Define atom economy.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Principles of Green Chemistry

Complete and write the following table

Reaction Name of catalyst
i) Manufacture of HDPE polymer ________________
ii) _______________ V2O5
Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Characteristic Features of Nanoparticles

State disadvantages of nanoparticles and nanotechnology.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Nanoparticles and Nanotechnology

The name of metal nanoparticle which acts as highly effective bacterial disinfectant in water purification process is ______.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Applications of Nanomaterials

Write two disadvantages of nanotechnology.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Nanoparticles and Nanotechnology
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