Advertisements
Advertisements
Question
Name the metal which has been placed at the top of the reactivity series.
Advertisements
Solution
Potassium is the metal that has been placed at the top of the reactivity series.
APPEARS IN
RELATED QUESTIONS
Iron is
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium
Differentiate between metal and non-metal on the basis of their chemical properties.
The solution of Aluminium sulphate in water is .....................
(a) Green
(b) Colourless
(c) Pink
(d) Blue
Name the metal which has been placed just below copper in the reactivity series.
How would you show that silver is chemically less reactive than copper?
Give reason for the following:
Blue colour of copper sulphate solution is destroyed when iron filings are added to it.
Why does aluminium not react with water under ordinary conditions?
Name two metals which cannot displace hydrogen from dilute acids.
Name two metals (other than zinc and iron) which can displace hydrogen from dilute hydrochloric acid?
What happens when calcium reacts with water? Write the chemical equation of the reaction of calcium with water.
Write the equation for the reaction of Magnesium with dilute hydrochloric acid.
Name the products formed. Also indicate the physical states of all the substances involved.
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
In a solution of lead acetate, a strip of metal M was dipped. After some time, lead from the solution was deposited on the metal strip. Which metal is more reactive, M or lead?
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?
Rewrite the following statement by selecting the correct option.
A solution of Al2(SO4)3 in water is _____________.
The substance that will be flattened on beating with a hammer is ______.
Why is acidified water considered to be a good conductor of electricity?
