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WorksheetsChemistry Ch#4&5
Total questions: 20
Worksheet time: 11mins
Density of water is:
1.00g cm-3
0.001g cm-3
0.108g cm-3
1.08g cm-3
Which bond present in C2H2 Molecule?
Triple covalent bond
Single covalent bond
Double covalent bond
Dative Covalent Bond
The bond is the hydrogen molecule has
Dative covalent bond
Double covalent bond
Single covalent bond
Triple covalent bond
Usually, the valency of noble gas is:
0
1
2
3
Duplet rule is attaining how many numbers of electrons in valence shell:
8
3
6
2
After gaining one electron, the chlorine atom attains the electronic configuration of which noble gas?
Krypton
Helium
Neon
Argon
Which molecule has a triple covalent bond?
NH3
N2
O2
C2H4
The electron-deficient molecule is
N2
O2
BF3
NH3
Which one is the non-polar molecule among these?
HCl
HNO3
H2O
H2
The covalent bond present in C2H4 is:
4
3
5
1
The bond formed between two non-metals is expected to be
Metallic
Covalent
Coordinate covalent
Ionic
Which one is polar molecule?
H2
Cl2
HCl
O2
The formation of ammonia ion[NH4]2 is due to
Ionic bond
Covalent bond
Coordinate covalent bond
Metallic bond
One atmosphere is equal to:
101326 Torr
1 Torr
1 mm of Hg
760 Torr
Which one of the following gas diffuses quickly?
Cl2
H2
F2
He
How many times liquids are denser than gases?
10000
1000
100
100000
The density of gases is expressed in term of:
g/dm3
mg/cm3
g/cm3
kg/dm3
The density of a gas increases when its:
Volume is kept constant
Pressure increases
None of these
Temperature increases
The vapor pressure of a liquid increase with the increase of.........:
Intermolecular forces
Temperature
Pressure
Polarity of molecule
Which one of the following is a not amorphous solid?
Sodium chloride
Rubber
Glass
Plastic
