Some products of destructive distillation of coal are?
carbon (IV) oxide and ethanoic acid
trioxocarbonate (IV) acid and methanoic acid
producer gas and water gas
coke and ammoniacal liquor
Correct answer is D
Heating coal, in the absence of air, is known as destructive distillation of coal. It yields various useful products like coke, coal gas, coal tar, and ammoniacal liquor.
The catalyst used in the contact process for the manufacture of tetraoxosulphate (VI) acid is
manganes (IV) oxide
manganese (ll) tetraoxosulphate (VI)
vanadium (V) oxide
iron metal
Correct answer is C
No explanation has been provided for this answer.
Cu (s) + 2HNO 3(aq) → Cu (NO 3) 2(aq) + H 2(g)
Cu (s) + 4HNO 3(aq) → Cu (NO 3) 2(aq) + 2H 2O (1) + 2NO 2(g)
3Cu (s) + 8HNO3(aq) → 3Cu (NO3)2(aq) + 4H2O(1) + 2NO(g)
3Cu(s) + 4HNO3(aq) → 3Cu(NO 3) 2(aq) + 2H 2O (1) + 2NO (g)
Correct answer is B
No explanation has been provided for this answer.
- 2792
+ 2792
- 64
+ 64
Correct answer is D
No explanation has been provided for this answer.
- 2
- 3
- 4
- 5
Correct answer is C
No explanation has been provided for this answer.