What kind of bond exist between carbon and oxygen in C03 2-?
Co- ordinate Covalent
covalent
Electrovalent
Metallic
Van der Waal forces
Correct answer is B
No explanation has been provided for this answer.
Which of the following gases will bleach moist litmus paper?
Cl2
CO2
HCl
N2O
SO3
Correct answer is A
No explanation has been provided for this answer.
Which of the following compounds will undergo thermal dissociation?
AgCl
CaCO3
K2S04
NaOH
NH4CI
Correct answer is E
No explanation has been provided for this answer.
The rate of a reaction usually increases with increase in the concentration of reactants because the
distance between particles of the reactants increases
frequency of collision of particles is lower
particles of the reactants gain energy and move faster
reactants from a complex which decomposes rapidly
reactants occupy a higher energy level
Correct answer is D
No explanation has been provided for this answer.
The reaction of an alkanol with alkanioc acid is known as
dehydration
esterification
halogenation
hydrogenation
saponification
Correct answer is B
No explanation has been provided for this answer.