HARD
Earn 100

Identify how many "Ore names", "Type of Anion", "Metal(s) present in mineral" are correctly related

(i) Magnetite oxide Fe
(ii) Cryolite fluoride Al
(iii) Copper Pyrite  Sulphide Fe
(iv) Galena sulphide Hg
(v) Asbestos Silicate Al
(vi) Lunar Caustic hydroxide Ag
(vii) Dolomite carbonate Ca
(viii) Dolomite hydroxide Mg

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Important Questions on Chemistry

EASY
The ore that contains both iron and copper is:
EASY
Which of the following mixture can form an alloy?
EASY

Match the following

I. Bauxite (a) Cu
II. Monazite (b) U
III. Malachite (c) Th
IV. Pitch blende (d) Al

 

EASY
In medicine, ______ is a device such as a small metal plate or needle that carries electricity from an instrument to a patient for treatment or surgery.
EASY

Match List-I with List-II.

List-I List-II
(a) Siderite (i) Cu
(b) Calamine (ii) Ca
(c) Malachite (iii) Fe
(d) Cryolite (iv) Al
    (v) Zn

Choose the correct answer from the options given below:

EASY
The alloy containing a non-metal is:
EASY

Match List-I with List-II :

  List-I
(Name of ore/mineral)
  List-I
(Chemical formula)
a Calamine i ZnS
b Malachite ii FeCO3
c Siderite iii ZnCO3
d Sphalerite iv CuCO3·Cu(OH)2

Choose the most appropriate answer from the options given below :

MEDIUM
Which one of the following is the correct reactivity order of metals reacting with dilute HCI?
EASY

Match List-I with List-II.

  List-I
(Ore)
  List-II
(Element Present)
a Kernite p Tin
b Cassiterite q Boron
c Calamine r Fluorine
d Cryolite s Zinc

Choose the most appropriate answer from the options given below:

EASY

Match List-I and List-II :

  List-I   List-II
a Haematite i Al2O3·xH2O
b Bauxite ii Fe2O3
c Magnetite iii CuCO3·Cu(OH)2
d Malachite iv Fe3O4

Choose the correct answer from the options given below :

EASY
Which one of the following is not true for the form of carbon known as diamond?
EASY
Which among the following is not a mineral of iron?
EASY
Which one of the following elements is involved in the control of water content of the blood?
MEDIUM
Which one of the following metals has both malleability and ductility properties ?
EASY
Which one of the following does not form oxide on reaction with oxygen?
EASY
Which one of the following is used for storing biological tissues?
EASY

Which of the following is the Ore of Cu?

EASY
Sulphide ores are common for the metals: