Question

[4]
i.
Q1. Choose the correct answer from the option given below:
The brown ring test is used for detection of -
a) co-
b) N03
c) S03-
d) Cl-
ii. Corrosive action of sulphuric acid on skin is due to its:
a) Dehydrating agent
b) Volatile nature
c) Reducing nature
d) Oxidising nature
111. Nitric acid is manufactured by:
a) Contact process
b) Ostwald's process
c) Haber's process
d) None of these
iv.
Hydrated copper sulphate lose its colour.
a) On adding conc. H2SO4 b) On heating
c) Both of them
d) None of these​

Answer 1

Answer:

1. No3

2. Reducing natural

3. Contact process

4. Both of them

Explanation:

mark as brainlist answer

Answer 2

1.Cl

2.volatile nature

3.none of these

4.both of them

this is the correct answer of this question