Green Chemistry and Nanochemistry Class 12

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Green Chemistry and Nanochemistry Class 12. We covered all the Green Chemistry and Nanochemistry Class 12 in this post for free so that you can practice well for the exam.

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Green Chemistry and Nanochemistry Class 12 Objective for Students

Which is not a renewable energy source?

(A) Biofuels

(B) Solar energy

(C) Wind energy

(D) Petrochemicals

Option d – Petrochemicals

The less hazardous insecticide is

(A) DDT

(B) BHC

(C) Chloroform

(D) Carbon tetrachloride

Option b – BHC

According to green chemistry, adipic acid is to be prepared from

(A) Benzene

(B) n-Hexane

(C) Glucose

(D) Citric acid

Option c – Glucose

Benzene is

(A) Volatile

(B) Carcinogenic

(C) Pollutes air

(D) All of these

Option d – All of these

The halogenated organic solvent is

(A) CH₂Cl₂

(B) CHCl3

(C) CCl4

(D) All of these

Option d – All of these

The development that meets the needs of the present without compromising the ability of future generations to meet their own need is known as

(A) Continuous development

(B) Sustainable development

(C) True development

(D) Irrational development

Option b – Sustainable development

The energy efficiency of chemical reactions is increased by

(A) Carrying out reactions at room temperature.

(B) By use of proper catalyst.

(C) By use of micro-organisms for organic synthesis.

(D) All of these

Option d – All of these

The measure of the number of atoms from the starting material present in useful products is

(A) Design for energy efficiency

(B) ZWT

(C) Prevention of waste

(D) Atom Economy

Option d – Atom Economy

A good economy of reaction is

(A) the Formation of valuable products in the reaction

(B) the Requirement of low money for reaction.

(C) Formation of products at a low price

(D) Conversion of maximum atoms of reactants in useful products.

Option d – Conversion of maximum atoms of reactants in useful products

To minimize the energy crises of pollution, chemists should adopt

(A) Synthetic organic chemistry

(B) Pharmacology

(C) Industrialization

(D) Green chemistry

Option d – Green chemistry

The concept of green chemistry was proposed by

(A) Berzelius

(B) Newton

(C) Paul T. Anastas

(D) Paul Enarlich

Option c – Paul T. Anastas

Green chemistry is concerned with

(A) Prevention of pollution

(B) Decreasing energy crises

(C) Prevention of the formation of hazardous products

(D) All of these

Option d – All of these

ZWT is

(A) Zero Waste Tolerance

(B) Zero Waste Technology

(C) Waste products should be zero in chemical reactions.

(D) Both ‘B’ and ‘C’

Option d – Both ‘B’ and ‘C’

The use of Ash from thermal power stations to manufacture bricks is an example of

(A) ZWT

(B) Atom economy

(C) Use of safer solvent

(D) Less hazardous chemical synthesis

Option a – ZWT

We covered all the green chemistry and nanochemistry class 12 above in this post for free so that you can practice well for the exam.

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