WorksheetsVISION ACADEMY
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
NAME OF THE STUDENT:
4 lines
2.
ROLL NO.
4 lines
3.
1. Choose the correct word from the brackets to complete the sentence. Sodium nitrate reacts with ____ (concentrated / dilute) sulphuric acid to produce nitric acid
a)
dilute
b)
concentrated
c)
dilute and concentrated
d)
NONE
4.
2.Which compounds are required for the laboratory preparation of nitric acid?
a)
Sodium nitrate
b)
sulphuric acid
c)
Sodium nitrate and sulphuric acid
d)
NONE
5.
3.The first step in the manufacture of HNO3 is the catalytic oxidation of NH3. Name the catalyst used.
a)
Platinum
b)
Iron
c)
Vanadium pentoxide
d)
Palladium
6.
4. When nitric aicd is prepared by the action of concentrated sulphuric acid on potassium nitrate, what is the special feature of the apparatus used.
a)
All the plastic apparatus is used
b)
All the rubber apparatus is used
c)
All the glass apparatus is used
d)
NONE
7.
5.State why a yellow colour appears in conc. Nitric acid when left standing in an ordinary glass bottle.
a)
Nitric acid decomposes to give reddish brown NO2 gas
b)
NO2 dissolves in nitric acid to give a yellowish brown colour.
c)
Nitric acid decomposes to give reddish brown NO2 gas & NO2 dissolves in nitric acid to give a yellowish brown colour.
d)
NONE
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