1 |
Select from the following the one which is Alcohol |
CH<sub>3</sub>CH<sub>2</sub>OH
CH<sub>3</sub>OCH<sub>3</sub>
CH<sub>3</sub>COOH
CH<sub>3</sub>.CH<sub>2</sub>.Br
|
2 |
Which one of the following is an amide |
(NH<sub>2</sub>)<sub>2</sub>CO
NH<sub>2</sub>.CH<sub>3</sub>
C<sub>6</sub>H<sub>5</sub>NH<sub>2</sub>
N(CH<sub>3</sub>)<sub>3</sub>
|
3 |
Which one is alcohol in the following |
CH<sub>3</sub>.CH<sub>2</sub>.OH
CH<sub>3</sub>.O.CH<sub>3</sub>
CH<sub>3</sub>COOH
CH<sub>3</sub>.CH<sub>2</sub>.Br
|
4 |
CO2H is a functional group as |
Alkoxy
Carbonyl
Carboxyl
Hydroxyl
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5 |
-------------------- is Alcohol in the following |
CH<sub>3</sub>.CH<sub>2</sub>.OH
CH<sub>3</sub>.O.CH<sub>3</sub>
CH<sub>3</sub>COOH
CH<sub>3</sub>.CH<sub>2</sub>.SH
|
6 |
The process used to improve quality of gasoline |
Thermal Cracking
Reforming
Combination
Steam Cracking
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7 |
Formula of marsh gas is |
CH<sub>4</sub>
C<sub>2</sub>H<sub>6</sub>
C<sub>3</sub>H<sub>6</sub>
C<sub>4</sub>H<sub>10</sub>
|
8 |
The chemist who synthesized urea from ammonium cyanate was |
Berzelius
Kolbe
Wholer
Lavoisier
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9 |
The percentage of carbon in different types of iron products is in the order of |
cast iron > wrought iron > steel
wrought iron > steel > cast iron
cast iron > steel > wrought iron
cast iron = steel > wrought iron
|
10 |
Group VI-B of transition elements contains |
Zn, Cd, Hg
Fe, Ru, Os
Cr, Mo, W
Mn, Te, Re
|
11 |
The strength of binding energy of transition elements depend upon |
number of electron pairs
number of unpaired electron pairs
number of neutrons
number of protons
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12 |
f-block elements are also called |
non typical transition elements
outer transition elements
normal transition elements
inner transition elements
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13 |
Which of the following is a typical transition metal |
Sc
Y
Ra
Co
|
14 |
Which of the following is non-typical transition element |
Cr
Mn
Zn
Fel
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15 |
Mild steel contains carbon percentage |
0.1 - 0.2%
0.3 - 0.7%
0.7 - 1.5%
1.6 - 2.0%
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16 |
Which is not an ore of iron |
haematite
Magnetite
limonite
Cassiterite
|
17 |
Co-ordination number of Cu in |
Zero
Two
Four
Six
|