100% FREE ACCESS12th Standard Syllabus & Materials
12th Standard
TN 12th Maths Applications of Matrices and Determinants Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
Published on: 13/10/2020
12th Standard Chemistry English Medium Free Online Test Creative 1 Mark Questions - Part Five
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.
Lower members of carboxylic acid family are _______.
waxy solids
pleasant smelling liquids
foul smelling liquids
inert gases
2.
The IUPAC name of \(\underset { \overset { | }{ { CH }_{ 3 }-{ CH }_{ 2 }-CH-COOH } }{ { CH }_{ 3 } } \) is _______.
∝-methyl buturic acid
3-methyl butanoic acid
2-methyl butanoic acid
Iso pentanoic acid
3.
Pick out the compounds that gives effervescence with aqueous NaHCO3.
I. C6H5OH
II. C6H5NH2
III. (CH3CO)2O
IV. CH3COOH
I and II
I and IV
III and IV
III and I
4.
The intermediate compound formation theory applies to _______reactions.
homogeneous
heterogeneous
both (a)& (b)
none of the above
5.
Lucas reagent is _______.
ZnCl2
cone. H2SO4 and anhydrous ZnSO4
ZnSO4
cone. HCl and anhydrous ZnCl2
6.
Identify the major product in the given reaction
7.
Oxidation of ethylene glycol with HIO4 gives _______.
\(\overset { CHO }{ \underset { { CH }_{ 2 } }{ | } }\)
\(\overset { CH }{ \underset { CHO }{ | } } \)
\(\overset { COOH }{ \underset { COOH }{ | } } \)
HCHO
8.
Which of the following gives violet colour with neutral ferric chloride solution?
phenol
glycerine
benzyl alcohol
ethanol
9.
Which is optically active?
n-butyl alcohol
isobutyl alcohol
2-butanol
t-butyl alcohol
10.
The percentage of carbon in high carbon steel is_________.
0.5 - 1%
0.15 - 1.5%
0.15 - 1.5%
0.15 - 0.3%
1.
(b)
pleasant smelling liquids
2.
(c)
2-methyl butanoic acid
3.
(c)
III and IV
4.
(a)
homogeneous
5.
(d)
cone. HCl and anhydrous ZnCl2
6.
(c)
7.
(d)
HCHO
8.
(a)
phenol
9.
(c)
2-butanol
10.
(b)
0.15 - 1.5%
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு எடுத்துக்காட்டுகள் மற்றும் நெறிமுறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
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
