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Chemistry
Quiz 1
Quiz 2
1)
Covalent Compounds are generally ..........
hydrolize in water
insoluble in water
ionize in water
soluble in water
2)
Which statement is true.
The general formula C
n
H
2n
is valid for any alkene with any number of multiple bonds.
Both alkenes and cyclo-alkanes both can be represented by the same general formula.
3)
Which statement is true.
Acetone is the common name of propanone.
lsomers always show same chemical properties.
4)
Which of the following is an odd compound ?
Propene
Ethane
Ethene
Acetylene
5)
Which one of the following is unsaturated hydrocarbon ?
Acetylene
Butane
Propane
Decane
6)
Two neighbours of homologous series differ by
-CH
2
-CH
-CH
3
-CH
4
7)
General formula of alkyne is
C
n
H
2n+2
C
n
H
2n
C
n
H
2n-2
C
n
H
n
8)
Which of the following represents ketones?
-CHO
-C=O
-COOH
-OH
9)
Which of the following represents alkynes?
-C≡C-
none of these
-C=C-
-C-C-
10)
Which of the following is not an aliphatic hydrocarbon ?
ethene
ethane
propyne
benzene
11)
Complete combustion of a hydrocarbon gives
CO+H
2
O
CO
2
+H
2
O
CO+H
2
CO
2
+H
2
12)
Which is NOT correct for isomers of a compund ?
they differ in physical properties
they differ in chemical properties
they have same molecular formula
they have same structural formula
13)
Buckminsterfullerene is an example of ________of carbon
an allotrope
an isotope
a functional group
an isomer
14)
Who prepared urea the first time by heating ammonium cynate ?
Wohler
Lavosier
Fuller
Haber
15)
Butanone is a four-carbon compound with the functional group
carboxylic acid.
aldehyde
ketone
alcohol
16)
Major constituent of LPG is ____________
ethene
butane
propane
pentane
17)
The gas used in welding and cutting metals is
ethyne
ethene
ethane
propene
18)
Which of the following is best electrical conductor
Gold
Silver
Copper
Aluminium
19)
Which of the following is NOT True for metals
Generally metals are malleable
Metals are good conductors of heat.
Metals are electronegative by nature.
Metals displace hydrogen gas from dilute acids
20)
In general the number of electrons in the outermost shell of a metal atom is
1
1 to 3
5 to 8
8
21)
Bauxite is an ore of which metal
iron
aluminium
copper
tin
22)
Which of the following pairs will give displacement reactions ?
NaCl solution and copper metal
MgCl
2
FeSO
4
solution and silver metal
AgNO
3
solution and copper metal
23)
Which of the following methods is suitable for preventing an iron frying pan from rusting ?
Applying grease
Applying paint
Applying a coating of Zinc
All of the above
24)
An element reacts with oxygen to given a compound with a high melting point.This compound is also soluble in water .The element is likely to be
calcium
carbon
silicon
iron
25)
Food cans are coated with tin and not with zinc because
Zinc is costlier than tin
Zinc has a higher melting point than tin
zinc is more reactive than tin
zinc is less reactive than tin
26)
Which of the following is a Dobereiners triad?
Ne,Ca,Na
H2,N2,O2
Li,Na,K
Na,Br,Ar
Cite this Simulator:
aven.amritalearning.com,. (2013). Chemistry. Retrieved 28 November 2023, from aven.amritalearning.com/index.php?sub=104&brch=307&sim=1603&cnt=3958
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