12th Standard Syllabus & Materials
12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set D
NEW12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set C
NEW12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set B
NEW12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set A
NEW12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set D
NEW12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set C
Published on: 13/10/2020
12th Standard Chemistry English Medium Free Online Test Creative 1 Mark Questions - Part Four
Download Tamil Nadu 12th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Chemistry Test
1.
For gases, the standard emf depends on _______.
1 atm pressure
1M solution
temperature of 25°C
both 1atm pressure and temperature of 25°C
2.
pH of a solution can be kept constant with the help of __________ solution.
saturated
unsaturated
super saturated
buffer
3.
Glycerol is used ______.
as a sweetening agent
in the manufacture of good quality soap
in the manufacture of nitro glycerin
in all the above
4.
Activation energy of a reactant is reduced by ________.
increased temperature
reduced temperature
increased pressure
reduced pressure
5.
The high reactivity of fluorine is due to________.
high ionisation energy
low bond dissociation energy
low electron affinity
high electro negativity
6.
The correct order of packing efficiency in different types of unit cells is________.
fcc > bcc > sc
sc < fcc < bcc
fcc < bcc > sc
bcc < fcc < sc
7.
Borax is _______.
Na2[B4O5(OH)4).8H2O
Na2[B4O5(OH)6).7H2O
Na2[B4O3(OH)8].6H2O
Na2[B4O2(OH)10).5H2O
8.
A mixture of TiCl4 and trialkyl aluminium is _________
hydroformylation of obfine
Zeigler - Natta Catalyst
interstitial compounds
ferromagnetic
9.
The percentage of carbon in high carbon steel is_________.
0.5 - 1%
0.15 - 1.5%
0.15 - 1.5%
0.15 - 0.3%
10.
The oxidation state of the central metal ion in the complex [Co(H2O)(CN)(en)2]2+ is________.
0
+1
+2
+3
1.
(d)
both 1atm pressure and temperature of 25°C
2.
(d)
buffer
3.
(d)
in all the above
4.
(a)
increased temperature
5.
(b)
low bond dissociation energy
6.
(a)
fcc > bcc > sc
7.
(a)
Na2[B4O5(OH)4).8H2O
8.
(b)
Zeigler - Natta Catalyst
9.
(b)
0.15 - 1.5%
10.
(d)
+3
12th Standard Syllabus & Materials
12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set B
NEW12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set A
NEW12th Standard
TN 12th Standard Physics Wave Optics Creative Questions Study Material - QB365 Set D
NEW12th Standard
TN 12th Standard Physics Wave Optics Creative Questions Study Material - QB365 Set C
Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
French
Tamilnadu Stateboard Standards
