If you spill a chemical toilet cleaning liquid on
your hand, your first aid would be
02Easy64×since 2004Q1727
Which of the following compound is added to the sodium extract before addition of silver nitrate for testing of halogens?
03Easy64×since 2004Q1728
Which of the following is 'a' FALSE statement ?
04Easy64×since 2004Q1729
Seliwanoff test and Xanthoproteic test are used for the identification of ___________ and ________ respectively.
05Medium64×since 2004Q1730
Match List - I with List - II :
List - I
Test/Reagents/Observation(s)
List - II
Species detected
(a)
Lassaigne's Test
(i)
Carbon
(b)
Cu(II) oxide
(ii)
Sulphur
(c)
Silver nitrate
(iii)
N, S, P, and halogen
(d)
The sodium fusion extract
gives black precipitate with
acetic acid and lead acetate
(iv)
Halogen Specifically
The correct match is :
06Easy64×since 2004Q1731
Which one of the following complexes is violet in colour?
07Medium64×since 2004Q1732
Acidic ferric chloride solution on treatment with excess of potassium ferrocyanide gives a Prussian blue coloured colloidal species. It is :
08Medium64×since 2004Q1733
In Kjeldahl's method for estimation of nitrogen, CuSO4 acts as :
09Easy64×since 2004Q1757
Compound that will give positive Lassaigne's test for both nitrogen and halogen is :
10Easy64×since 2004Q1771
When silver nitrate solution is added to potassium iodide solution then the sol produced is :