an acidic oxide
a basic oxide
a reducing agent
a weak base
an oxidizing agent
Correct answer is C
No explanation has been provided for this answer.
A positive brown ring test indicates the presence of
NO 3
Fe 3+
SO 2-3
CU+
NO- 2
Correct answer is A
Brown ring test is used for the detection of nitrate ions in a solution. As the name suggests it detects presence of nitrate ions by formation of brown ring
The most suitable method for preparing lead (ll) chloride is by
action of dilute HCI on PbSO 4
acts of dilute HCI on lead
action of dilute HCI on PbCO3
bubbling chlorine into a solution of Pb(NO3)2
mixing aqueous solutions Pb(NO3)2 and NaCI.
Correct answer is E
No explanation has been provided for this answer.
NH+4
O 2-
HCI
H3O+
HNO3
Correct answer is D
No explanation has been provided for this answer.
IS NOT CORROSIVE
IS SLIGHTLY IONIZIED IN WATER
DOES NOT PRODUCE SALTS WITH ALKALIS
DOES NOT CONDUCT AN ELECTRIC CURRENT IN AQUEOUS SOLUTION
FORMS ACID SALTS WITH BASES
Correct answer is B
No explanation has been provided for this answer.