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Recent questions tagged s-block-elements
ASK
When Sodium Chloride is dissolved in water, the sodium ion is:
s-block-elements
jeemain
chemistry
cbse
easy
asked
Mar 16, 2014
by
balaji.thirumalai
1
answer
A burning strip of Magnesium is introduced into a jar containing a gas. After sometime the walls of the container are coated with carbon. The gas in the container is:
jeemain
chemistry
s-block-elements
cbse
class11
unit10
easy
asked
Mar 15, 2014
by
balaji.thirumalai
1
answer
Which of the following presents the correct sequence of increasing basic nature of given oxides?
jeemain
chemistry
s-block-elements
cbse
class11
unit10
easy
asked
Mar 15, 2014
by
balaji.thirumalai
1
answer
Calcium oxide can be used for drying of
jeemain
chemistry
class11
s-block-elements
unit10
q100
difficult
asked
Jan 29, 2014
by
sreemathi.v
1
answer
The thermal stability of $BaCO_3,CaCO_3$ and $MgCO_3$ is
jeemain
chemistry
class11
s-block-elements
unit10
q99
difficult
asked
Jan 29, 2014
by
sreemathi.v
1
answer
Metals used in flash photography is
jeemain
chemistry
class11
s-block-elements
unit10
q98
difficult
asked
Jan 29, 2014
by
sreemathi.v
1
answer
Gypsum is not chemically similar to
jeemain
chemistry
class11
s-block-elements
unit10
q97
difficult
asked
Jan 29, 2014
by
sreemathi.v
1
answer
Alkaline earth metal(s) which does(do) not impact colour to the flame is(are)
jeemain
chemistry
class11
s-block-elements
unit10
q96
difficult
asked
Jan 29, 2014
by
sreemathi.v
1
answer
Halides (Cl,Br and I) of alkaline earth metal which cannot be dehydrated by heating is (are)
jeemain
chemistry
class11
s-block-elements
unit10
q95
difficult
asked
Jan 29, 2014
by
sreemathi.v
1
answer
Oxalates of alkaline earth metal(s) sparingly soluble in water (is) are
jeemain
chemistry
class11
s-block-elements
unit10
q94
difficult
asked
Jan 29, 2014
by
sreemathi.v
1
answer
Alkaline earth metal sulphates which crystallises in hydrated form are
jeemain
chemistry
class11
s-block-elements
unit10
q93
difficult
asked
Jan 29, 2014
by
sreemathi.v
1
answer
Slaked lime is obtained when water is added to
jeemain
chemistry
class11
s-block-elements
unit10
q92
difficult
asked
Jan 29, 2014
by
sreemathi.v
1
answer
The compound insoluble in acetic acid is :
jeemain
chemistry
class11
s-block-elements
unit10
q91
difficult
asked
Jan 29, 2014
by
sreemathi.v
1
answer
The pair of amphoteric hydroxides is :
jeemain
chemistry
class11
s-block-elements
unit10
q90
difficult
asked
Jan 29, 2014
by
sreemathi.v
1
answer
Yellow phosphorous on reaction with $Ca(OH)_2$ gives
jeemain
chemistry
class11
s-block-elements
unit10
q89
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Which of the following is the strongest reducing agent?
jeemain
chemistry
class11
s-block-elements
unit10
q88
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
The most active metal is
jeemain
chemistry
class11
s-block-elements
unit10
q87
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Portland cement does not contain :
jeemain
chemistry
class11
s-block-elements
unit10
q86
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Non metals present in borax are
jeemain
chemistry
class11
s-block-elements
unit10
q85
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
The alkali metal used as coolant in nuclear reactors is
jeemain
chemistry
class11
s-block-elements
unit10
q84
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Glauber salt is a
jeemain
chemistry
class11
s-block-elements
unit10
q83
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Pearl ash is
jeemain
chemistry
class11
s-block-elements
unit10
q82
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Which among the compounds of alkali metals undergo hydrolysis
jeemain
chemistry
class11
s-block-elements
unit10
q81
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
The alkali metal bi carbonate that has no existance in solid state is
jeemain
chemistry
class11
s-block-elements
unit10
q80
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Tincal contains mainly
jeemain
chemistry
class11
s-block-elements
unit10
q79
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
What is the formula of calgon?
jeemain
chemistry
class11
s-block-elements
unit10
q78
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Which of the following is best $CO_2$ absorber as well as source of $O_2$ in space capsule?
jeemain
chemistry
class11
s-block-elements
unit10
q77
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Which of the following salts does not form any ppt with excess of NaOH ?
jeemain
chemistry
class11
s-block-elements
unit10
q76
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Considering greater polarization in lid compared to that in NaCl,which of the following statements you would expect to be wrong?
jeemain
chemistry
class11
s-block-elements
unit10
q75
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
In castner-kellner cell used for the manufacture of NaOH,the cathode in the central compartment is made up of
jeemain
chemistry
class11
s-block-elements
unit10
q74
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
The salt used for performing bead test in inorganic qualitative analysis is
jeemain
chemistry
class11
s-block-elements
unit10
q73
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Four alkali metals A,B,C and D are having standard electrode potentials as -3.05,-1.66,-0.40 and 0.80v respectively,which one will be the most reducing agent?
jeemain
chemistry
class11
s-block-elements
unit10
q72
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
$CO+NaOH\rightarrow $?
jeemain
chemistry
class11
s-block-elements
unit10
q71
difficult
asked
Jan 28, 2014
by
sreemathi.v
1
answer
The metal which gives brick red colour in flame test is
jeemain
chemistry
class11
s-block-elements
unit10
q70
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Oxides of alkaline earth metals are stable due to
jeemain
chemistry
class11
s-block-elements
unit10
q69
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
The salt which gives crimson red colour in flame test is
jeemain
chemistry
class11
s-block-elements
unit10
q68
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Which of the following metals cannot give flame tests?
jeemain
chemistry
class11
s-block-elements
unit10
q67
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
The electrical conductivity in aqueous solutions is high for
jeemain
chemistry
class11
s-block-elements
unit10
q66
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Which does not form peroxides?
jeemain
chemistry
class11
s-block-elements
unit10
q65
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Magnesium burns in air giving two products .Their formulae are
jeemain
chemistry
class11
s-block-elements
unit10
q64
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Oxygen evolves on heating
jeemain
chemistry
class11
s-block-elements
unit10
q63
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
$BeH_2$ and $MgH_2$ are prepared using the reagent
jeemain
chemistry
class11
s-block-elements
unit10
q62
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
The elements that reacts with cold water
jeemain
chemistry
class11
s-block-elements
unit10
q61
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
The polorising power of $Mg^{2+}$ is nearly same as that of
jeemain
chemistry
class11
s-block-elements
unit10
q60
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Which of the following is less covalent?
jeemain
chemistry
class11
s-block-elements
unit10
q59
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Hardening of plaster of paris is because of
jeemain
chemistry
class11
s-block-elements
unit10
q58
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
In the hardening stage of plaster of paris,the compound formed is
jeemain
chemistry
class11
s-block-elements
unit10
q57
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Passivity is exhibited by
jeemain
chemistry
class11
s-block-elements
unit10
q56
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
Which of the following is an alkaline earth?
jeemain
chemistry
class11
s-block-elements
unit10
q55
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
The metal carbonate which decomposes easily on heating is
jeemain
chemistry
class11
s-block-elements
unit10
q54
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
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