A mixture of kerosene and diesel oil can be separated by
crystallization
distillation
precipitation
sublimation
Correct answer is B
No explanation has been provided for this answer.
4800C
3840C
1920C
32C
Correct answer is C
No explanation has been provided for this answer.
Oxidation takes place at the anode during electrolysis because the anode
is deficient in electrons
is deficient in protons
has excess electrons
has attraction for positive ions
Correct answer is C
No explanation has been provided for this answer.
In dry Leclanche cell, manganese (IV) oxide acts as
a reducing agent
binding agent
catalyst
depolarizer
Correct answer is D
No explanation has been provided for this answer.
decrease in rate of the reaction of the system
decrease in temperature of the system
increase in temperature of SO3
increase in concentration of SO2
Correct answer is C
No explanation has been provided for this answer.