NEW
Font size
S
M
L
XL
WorksheetsXII CHEMISTRY UNIT 3 PART 4
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
1.The oxidation state of N in HNO3 is *
a)
a) +3
b)
b) +5
c)
c) +2
d)
d) +1
2.
2. Nascent hydrogen produces the reduction products of *
a)
a) H2SO4
b)
b) H2CO3
c)
C) HCl
d)
d) HNO3
3.
3. Hyponitrous acid is *
a)
a) HNO3
b)
b) HNO2
c)
c) H2N2O2
d)
d) none
4.
4. Nitric acid is used as a oxidising agent and in the preparation of *
a)
a) Lunar caustic
b)
b) Aquaregia
c)
c) Blue vitriol
d)
d) Purple of Cassius
5.
5. Which one is used in gunpowder for fire arms? *
a)
a) NaNO2
b)
b) NaOH
c)
c) NaNO3
d)
d) NH4OH
6.
6. Which one is used in photography? *
a)
a) AgBr
b)
b) AgNO3
c)
C) Ag
d)
d) Both (a )& (b)
7.
7. Nitrogen sesquoxide is *
a)
a) NO2
b)
b) NO3
c)
c) N2O3
d)
d) N2O4
8.
8. Which one is a brown gas? *
a)
a) NO2
b)
b) NO3
c)
c) N2O5
d)
d) H2O2
9.
9. The oxidation state of N in N2O4 is *
a)
a) +2
b)
b) +1
c)
c) +5
d)
d) +4
10.
10. Which one is a blue solid? *
a)
a) N2O5
b)
b) H2CO3
c)
c) N2O3
d)
d) NO2
Reset
