From the diagram above, an ideal gas is represented by
Z
W
X
Y
Correct answer is A
No explanation has been provided for this answer.
choose the correct answer in the option above. Which of the following is a primary amine?
A
B
C
D
Correct answer is B
No explanation has been provided for this answer.
In the diagram above , X is the
enthalpy
enthalpy change
activation energy
activated complex
Correct answer is B
No explanation has been provided for this answer.
In the diagram above, the gas produced is?
NO
NO2
N2O
N2O4
Correct answer is B
In this laboratory preparation, 50% trioxonitrate (V) acid is reacted with copper turnings to liberate nitrogen (II) oxide ( NO ) that is collected by downward delivery.
Cu+\(4HNO_3 →Cu(NO_3)_2+2NO_2+2H_2O\)
In the diagram above, the purpose of the asbestos to?
absorb impurities
catalyze the reaction
solidify the gas
dry the gas
Correct answer is B
Catalyst like platinize asbestos or vanadium(v)oxide is required to speed up the combination to form sulphur(iv)oxide.
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