UP Board Chemistry Book. We covered all the UP Board Chemistry Book MCQs in this post for free so that you can practice well for the exam.
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UP Board Chemistry Objective Book for Students
The material in a nanoscale has different properties in comparison with bulk materials. These properties include:
(A) Catalytic properties
(B) Magnetic properties
(C) Electrical properties
(D) All of these
Option d – All of these
Nanomaterial may be:
(A) Nanoparticles
(B) Nanowires
(C) Nanotubes
(D) All of these
Option d – All of these
A nanomaterial having all three dimensions on the nanoscale is called:
(A) Zero dimensional nanostructure
(B) One dimensional nanostructure
(C) Two dimensional nanostructure
(D) Three dimensional nanostructure
Option a – Zero dimensional nanostructure
For green chemistry, chemicals formed in the reaction of their degradation products should be:
(A) Non-toxic
(B) Bioaccumulative
(C) Environmentally persistent
(D) All of these
Option d – All of these
Green chemistry can help to:
(A) Protect the ozone layer
(B) Control greenhouse effect
(C) To save the environment
(D) All of these
Option d – All of these
Nanotechnology is used in:
(A) DVD
(B) CD players
(C) Computers
(D) All of these
Option d – All of these
The prefix nano comes from:
(A) Greek word meaning ‘dwarf’
(B) A French word meaning ‘billion’
(C) Spanish word meaning ‘particle’
(D) Latin word meaning ‘invisible’
Option a – Greek word meaning ‘dwarf’
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