What is the volume occupied by 2 moles of ammonia at s.t.p?
44.8 dm-3
22.4 dm-3
11.2 dm-3
5.6 dm-3
Correct answer is A
No explanation has been provided for this answer.
0.4 mol dm-3
1.0 mol dm-3
10.6 mol dm-3
25.0 mol dm-3
Correct answer is A
No explanation has been provided for this answer.
2:2
2:1
1:2
1:1
Correct answer is B
The mole ratio of acid to base = 2:1
The bonds in crystaline ammonium chloride are?
covalent and dative
ionic and covalent
ionic covalent and dative
ionic covalent and hydrogen bond
Correct answer is C
The formula for ammonium chloride is NH4Cl. The bond between the ammonium ion (NH4Cl+) are IONIC, COVALENT and DATIVE.
Which of the following molecules has a triple bond in its structure?
CH4
NH3
N2
O 2
Correct answer is C
No explanation has been provided for this answer.