element in the free state is zero
monatomic ion is equal to its charge
alkali meta like sodium in its compounds is + 1
atom of a diatomic molecules is + 2
Correct answer is D
No explanation has been provided for this answer.
Activation energy will decrease
the forward reaction will be favoured
the concentration of ammonia will increase
the reaction will go to completion
Correct answer is C
No explanation has been provided for this answer.
the temperature is raised
the pressure increased
the volume of the system is increased
a catalysty is intoduced into the system
Correct answer is C
No explanation has been provided for this answer.
Which of the following lowers the activation energy of a chemical reaction?
Freezing mixture
Reducing agent
Water
Catalyst
Correct answer is D
No explanation has been provided for this answer.
The property of calcium chloride which makes it useful as a drying agent is that it is
ionic
deliquescent
a strong electrolyte
a normal salt
Correct answer is B
No explanation has been provided for this answer.