solvent such as ethanol also?
OR
Why are carbon and its compound used as fuels for most application?
30. Read the following and answer any four questions from(30.1) to (30.5)
Zinc sulphate
Silver nitrate
metal
Iron sulphate Copper sulphate
А
No reaction displacement
В
displacement
C
No reaction
No reaction
D
No reaction No reaction
30.1) the most active metal is.
No reaction
No reaction
No reaction
displacement
No reaction
a). A
b). B c. c
d). D
30.2) The less reactive metal is.
a). A
b). B
c). C
d). D
30.3) The increasing order of reactivity of metal A,B,C and D is
a). A<B<C<D
b). D<C<B<A
c). D<A<C<B
d). D<C<A<B
30.4) Container of which metal can be used to store both zinc sulphate solution and silver nitrate solution?
a). A
b). B
c).
d). D
30.5) The metal which shows the displacement with iron sulphate.
a). A
b). B
c). D
d). C
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The Olympic flag has a white background, with five interlaced rings in the centre: blue, yellow, black, green and red. This design is symbolic; it represents the five continents of the world, united by Olympism, while the six colours are those that appear on all the national flags of the world at the present time.”
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