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Chemistry
Electronic configuration is distribution of _______?
A
Proton
B
Positron
C
Neutron
D
Electron
Correct Answer
D
Chemistry
The branch of Chemistry which deals with hydrocarbons ______?
A
Industrial chemistry
B
Inorganic chemistry
C
Organic chemistry
D
None of these
Correct Answer
C
Chemistry
Which one of the following decreases along the period?
A
Ionization Energy
B
Atomic Radius
C
Electron
D
Electron Affinity
Correct Answer
B
Chemistry
Which gas can turn lime water milky?
A
O2
B
NO2
C
CO2
D
None of these
Correct Answer
C
Chemistry
Deficiency of Vitamin D results in _____?
A
H
B
CH
C
N
D
Nacl
Correct Answer
D
Chemistry
The density of gases increases when its?
A
Pressure increased
B
Temperature increased
C
Volume increased
D
None of these
Correct Answer
A
Chemistry
H?O is the chemical formula of:
A
Hidri
B
Air
C
Oxygen
D
Water
Correct Answer
D
Chemistry
What is the chemical symbol of Sodium
A
So
B
S
C
Na
D
Sd
Correct Answer
C
Chemistry
What is the atomic number of Carbon?
A
4
B
6
C
8
D
12
Correct Answer
B
Chemistry
Which gas is essential for respiration?
A
Nitrogen
B
Oxygen
C
Hydrogen
D
Carbon dioxide
Correct Answer
B