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प्रश्न
Arrange the following metals in order of their chemical reactivity, placing the most reactive metal first:
Magnesium, Copper, Iron, Sodium, Zinc, Lead, Calcium.
उत्तर
Sodium > Calcium > Magnesium > Zinc > Iron > Lead > Copper
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संबंधित प्रश्न
Write equations for the reactions of iron with steam.
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
What happens when magnesium reacts with very dilute nitric acid? Write an equation for the reaction involved.
What is the action of water on sodium ? Write equation of the chemical reaction involved.
A basic oxide will be formed by the element:
(a) K
(b) S
(c) P
(d) Kr
An element X forms two oxides XO and XO2. The oxide XO is neutral but XO2 is acidic in nature. The element X is most likely to be:
(a) sulphur
(b) carbon
(c) calcium
(d) hydrogen
The elements whose oxides can turn litmus solution red are:
(a) lithium and sodium
(b) copper and potassium
(c) carbon and hydrogen
(d) phosphorus and sulphur
Which of the following reactions will not occur? Why not?
(a) MgSO4 (aq) + Cu (s) → CuSO4 (aq) + Mg (s)
(b) CuSO4 (aq) + Fe (s) → FeSO4 (aq) + Cu (s)
(c) MgSO4 (aq) + Fe (s) → FeSO4 (aq) + Mg (s)
Choose the correct alternative and rewrite the following:
Which of the following is lue in colour?
Which of the following property is not responsible for copper to be used as electrical conduction wires?
