AI(NO3)3
KNO3
N2O
NH3
Correct answer is A
No explanation has been provided for this answer.
An aqueous solution of CaCI2 is
acidic solution
alkaline solution
a buffer solution
a neutral solution
Correct answer is D
No explanation has been provided for this answer.
The colour of phenolphthalein indicator in dilute HNO is
colourless
orange
pink
purple
Correct answer is A
No explanation has been provided for this answer.
6C (s) + 6H 2(g) + 3O2(g) → C 6H12O6(s)
6CO2(g) + 6H2O (l) → C6H12O6(s) + 6O 2(g)
6C(g) + 6H 2(g) + 3O2(g) → C6H12O 6(s)
6C(g) + 6H 2(g) + 3O2(g) → C 6H 12O 6(aq)
Correct answer is B
No explanation has been provided for this answer.
Diamond does not conduct electricity because it?
has no free valence electrons
is a giant molecule
contains no bonded electrons
is a solid at room temperature
Correct answer is A
It does not conduct electricity. Every atom in a diamond is bonded to its neighbours by four strong covalent bonds, leaving no free electrons and no ions .