Chemistry
Which is the most reactive element in this question :
CuSO4 + Fe ⟶ FeSO4 + Cu
Chemical Reaction
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Answer
Fe, as Fe is higher in the metal reactivity series. The reactivity of the metal reactivity series decreases as one moves from top to bottom.
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Related Questions
What happens when a solution of an acid is mixed with a solution of a base in a test tube?
P — The temperature of the solution increases.
Q — The temperature of the solution decreases.
R — The temperature of the solution remains the same.
S — Salt formation takes place.
Only P
P and R
Q and R
P and S
Name
(a) a carbonate which does not decompose on heating.
(b) a nitrate which produces oxygen as the only gas.
(c) a compound which produces carbon dioxide on heating
(d) a nitrate which produces brown gas on heating.
Define :
(a) Photochemical reaction
(b) Electrochemical reaction
Give one example in each case.
Give an example of a reaction where the following are involved
(a) Evolution of heat
(b) Absorption of heat
(c) High pressure is required