1
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following statements is NOT true according to principles of green chemistry?

A
It is good to use the technique of protection and deprotection of functional group in organic synthesis.
B
Use of chemicals derived from plant resource is better than crude oil.
C
Use of biodegradable pesticides is advantageous.
D
Use of critical $\mathrm{CO}_2$ as solvent is better than organic solvents.
2
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following is an example of two dimensional nanostructures?

A
Nanoparticles
B
Thin films
C
Quantum dots
D
Nanowires
3
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among following statements is NOT true according to principles of green chemistry?

A
In a chemical synthesis the waste product should be zero or minimum.
B
Good atom economy means very few atoms of reactants are incorporated in the product.
C
Only small amounts of unwanted by products are formed.
D
Use of lindane is better than DDT.
4
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following statements about ozone depletion is NOT true?

A
Depletion of ozone is most pronounced over Antarctica.
B
Freons used in aerosol that enters into atmosphere causes depletion of ozone layer.
C
Nitrogen oxide released from cars causes ozone depletion.
D
Due to ozone depletion less amount of UV radiations reaches to earth surface.
MHT CET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12