Which of the following trioxonitrate(V) salts would decompose on heating to form a metal?
Cu(NO3)2
AgNO3
Pb(NO3)2
KNO3
Correct answer is B
No explanation has been provided for this answer.
Which of the following oxides is ionic?
P4O10
MgO
Al2O3
SO2
Correct answer is B
No explanation has been provided for this answer.
To which group and period respectively does an element with 15 electrons belong?
3 and 3
3 and 5
5 and 3
5 and 5
Correct answer is C
(P) Arsenic is the element with 15 electrons which is found in Group 5 and Period 3
The bond formed when ammonia reacts with hydrogen ion to form ammonium ion is
Covalent
Dative
Hydrogen bond
Ionic
Correct answer is B
No explanation has been provided for this answer.