EASY
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Which of the following oxide turns red litmus into blue?

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Important Questions on Metals and Non-Metals

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
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
Tick the arrangement of metals FeCuZnAg in the order of decreasing reactivity.
EASY
Which one of the following oxide is insoluble in water?
MEDIUM
Which of the following methods is used to obtain chlorine and hydrogen from sodium chloride?
EASY
Choose the metalloid from the following elements:
MEDIUM

The metals which can form amphoteric oxides with oxygen are:

MEDIUM
Two beakers A and B contain iron(II) sulphate solution. In the beakers A and B, small pieces of copper and zinc are placed respectively. It is found that a grey deposit forms on the zinc but not on the copper. From these observations, it can be concluded that:
EASY
Which of the following metals does not react with dilute hydrochloric acid to liberate hydrogen gas?
MEDIUM
Copper sulphate can be safely kept in a container made up of: 
EASY
The nature of solution obtained by dissolving soluble metal oxide in water is:
EASY
Which of the following pair of reactants can undergo a displacement reaction under appropriate conditions?
EASY
The following observations are given for four metals:
 I. Metal H does not react with dilute HCl.
 II. Metal K reacts with warm water.
 III. Metal L does not react with water but displaces metal H from its aqueous salt solution.
 IV. Metal M reacts with cold water.
 Choose the correct decreasing order of reactivity of these metals amongst the following. 
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
Which one among the following metal is more reactive than hydrogen?
MEDIUM
CuSO4+ZnZnSO4+Cu. The correct statement related to the given reaction is 
MEDIUM
Correct increasing order of reactivity of elements is:
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 
EASY
In aqua regia the ratio of concentrated HCl to concentrated HNO3 is
MEDIUM
Which of the following set of elements is written correctly in the order of their increasing metallic character?