EASY
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Which of the following oxide(s) of iron will be obtained on prolonged reaction of iron with steam?

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Important Questions on Metals and Non-Metals

EASY
Which of the following pair of reactants can undergo a displacement reaction under appropriate conditions?
MEDIUM
Small pieces of Al, Zn, Fe and Mg were placed in different test tubes and dilute HCl is added to them, rate of formation of H2 gas with different metals in decreasing order will be 
MEDIUM
Which of the following set of elements is written correctly in the order of their increasing metallic character?
EASY
Which of the following metals does not react with dilute hydrochloric acid to liberate hydrogen gas?
EASY
Read the following statements.
Statement I: Sodium metal reacts violently with water to produce heat and fire.
Statement II: Potassium metal reacts violently with water to form potassium hydroxide and hydrogen gas.
 Select the correct answer from the option given below
MEDIUM
Which of the following methods is used to obtain chlorine and hydrogen from sodium chloride?
EASY
The name of metal which decomposes water in cold is
EASY

Which of the following set of reactions will NOT occur?

I. MgSO4(aq) + Fe(s)  FeSO4(aq) + Mg(s)

II. CuSO4(aq) + Fe(s)  FeSO4(aq) + Cu(s) 

III. MgSO4(aq) + Cu(s)  CuSO4(aq) + Mg(s)

IV. CuSO4(aq) + Zn(s)  ZnSO4(aq) + Cu(s)

 

EASY
Aluminium carbide is treated with water, we get
EASY
The name of the metal that is immersed in kerosene oil is
MEDIUM
Copper sulphate can be safely kept in a container made up of: 
MEDIUM
Which metal produces dihydrogen (H2) gas by reaction with cold water?
MEDIUM
Tick the arrangement of metals FeCuZnAg in the order of decreasing reactivity.
EASY
In aqua regia the ratio of concentrated HCl to concentrated HNO3 is
HARD
Strips of metal X were dipped into the solution of silver nitrate and zinc nitrate separately. A greyish metallic deposit was found on both strips. Metal X could be
EASY
Choose the metalloid from the following elements:
MEDIUM

The metals which can form amphoteric oxides with oxygen are:

MEDIUM
Which metal is kept immersed in kerosene oil?
EASY
Why should we not throw small pieces of sodium into a laboratory sink?
EASY
What happens when steam is passed over red-hot iron. Write only chemical equation.