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Recent questions in Chemistry
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CBSE XII
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Chemistry
Chemistry
States of Matter - Solid State
Solutions
Electrochemistry
Chemical Kinetics
Surface Chemistry
Isolation of Elements
p-Block Elements
d- and f-block elements
Coordinate Compounds
Haloalkanes and Haloarenes
Alcohols, Phenols and Ethers
Aldehydes, Ketones and Carboxylic Acids
Amines
Biomolecules
Polymers
Chemistry in everyday life
What is therapeutic effect
cbse
class 12
chemistry
electrochemistry theory question
asked
Jul 11, 2017
by
pady_1
1
answer
What is food preservatives?
cbse
class 12
chemistry
chemistry in everyday life theory question
asked
Jul 11, 2017
by
pady_1
1
answer
<span lang="EN-IN" style="font-size:11.0pt;line-height: 115%;font-family:"Calibri","s
cbse
class 12
chemistry
haloalkanes and haloarenes theory question
asked
Jul 10, 2017
by
pady_1
1
answer
what is Freons
cbse
class 12
chemistry
haloalkanes and haloarenes theory question
asked
Jul 10, 2017
by
pady_1
1
answer
Give the Physical Properties of Haloalkanes
cbse
class 12
chemistry
haloalkanes and haloarenes theory question
asked
Jul 10, 2017
by
pady_1
1
answer
Give the difference between Inner Orbital complexes and oute
cbse
class 12
chemistry
coordinate compounds theory question
asked
Jul 10, 2017
by
pady_1
1
answer
Give The factors on which stability of the complex depends :
cbse
class 12
chemistry
coordinate compounds theory question
asked
Jul 10, 2017
by
pady_1
1
answer
Give the limitations of Crystal Field Theory
cbse
class 12
chemistry
coordinate compounds theory question
asked
Jul 10, 2017
by
pady_1
1
answer
Define Chelate ?
cbse
class 12
chemistry
coordinate compounds theory question
asked
Jul 10, 2017
by
pady_1
1
answer
What is Denticity ?
cbse
class 12
chemistry
coordinate compounds theory question
asked
Jul 10, 2017
by
pady_1
1
answer
Explain Werner’s Theory
cbse
class 12
chemistry
coordinate compounds theory question
asked
Jul 10, 2017
by
pady_1
1
answer
What is Effective Atomic Number (EAN)
cbse
class 12
chemistry
coordinate compounds theory question
asked
Jul 10, 2017
by
pady_1
1
answer
Explain the Types of Complexes
cbse
class 12
chemistry
coordinate compounds theory question
asked
Jul 10, 2017
by
pady_1
1
answer
What is Counter ions?
cbse
class 12
chemistry
coordinate compounds theory question
asked
Jul 10, 2017
by
pady_1
1
answer
What is Coordination number ?
cbse
class 12
chemistry
coordinate compounds theory question
asked
Jul 10, 2017
by
pady_1
1
answer
What is Ligands ?
cbse
class 12
chemistry
coordinate compounds theory question
asked
Jul 10, 2017
by
pady_1
1
answer
On what ground can you say that scandium (Z = 21) is a transition element but zinc is not.
cbse
class 12
chemistry
d-and-f-blockelements theory question
asked
Jul 10, 2017
by
pady_1
1
answer
<span class="mpa-ignore">Why is Cr2+ reducing and Mn3+ oxidising when both have d 4 configuration?</span></p>
cbse
class 12
chemistry
d-and-f-blockelements theory question
asked
Jul 10, 2017
by
pady_1
1
answer
Why do the transition elements exhibit higher enthalpies of atomisation?
cbse
class 12
chemistry
d-and-f-blockelements theory question
asked
Jul 10, 2017
by
pady_1
1
answer
<span style="font-size:11.0pt;line-height:115%; font-family:"Calibri","sans-serif&quo
cbse
class 12
chemistry
d-and-f-blockelements theory question
asked
Jul 10, 2017
by
pady_1
1
answer
What is Transition element?
cbse
class 12
chemistry
d-and-f-blockelements theory question
asked
Jul 6, 2017
by
pady_1
1
answer
Give the preparation of Ammonia by Haber’s Process.
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
Give the preparation of Ammonia by Haber’s Process.
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
How the behavior of Nitrogen does differs from other elements.
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
Explain the preparations of Ozone.
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
Explain the preparations of Ozone.
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
Explain why halogens are coloured?
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
Give the order of Bond dissociation enthalpy $- Cl_2 , Br_2 , F_2 , I_2$
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
Give the order of Bond dissociation enthalpy $- Cl_2 , Br_2 , F_2 , I_2 $
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
Give two examples to show the anomalous behavior of fluorine.
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
Halogens have maximum negative electron gain enthalpy in the respective periods of the periodic table. Why?
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
Write the conditions to maximize the yield of $H_2SO_4$ by Contact process
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
Write the order of thermal stability of the hydrides of Group 16 elements.
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
Bond angle in $PH_4 ^+$ is higher than that in $PH_3$. Why?
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
In what way can it be proved that $PH_3$ is basic in nature?
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
In what way can it be proved that PH3 is basic in nature?
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
How to obtain dry ice.
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
How to obtain dry ice.
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
What is Inert pair effect?
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
What are p-Block elements?
cbse
class 12
chemistry
p-block element theory question
asked
Jul 4, 2017
by
pady_1
1
answer
cbse
class
12
chemistry
isolation of elements theory question
asked
Jun 23, 2017
by
pady_1
1
answer
What is refining. Explain any five methods of refining.
cbse
class
12
chemistry
isolation of elements theory question
asked
Jun 23, 2017
by
pady_1
1
answer
What is refining. Give any two methods of refining.
cbse
class
12
chemistry
isolation of elements theory question
asked
Jun 23, 2017
by
pady_1
1
answer
Which type of reaction is called as Coupled reactions
cbse
class
12
chemistry
isolation of elements theory question
asked
Jun 23, 2017
by
pady_1
1
answer
How to reduce metal oxide to metal?
cbse
class
12
chemistry
isolation of elements theory question
asked
Jun 23, 2017
by
pady_1
1
answer
How to reduce metal oxide to metal?
cbse
class
12
chemistry
isolation of elements theory question
asked
Jun 23, 2017
by
pady_1
1
answer
cbse
class
12
chemistry
isolation of elements theory question
asked
Jun 23, 2017
by
pady_1
1
answer
cbse
class
12
chemistry
isolation of elements theory question
asked
Jun 23, 2017
by
pady_1
1
answer
Explain Froth Flotation Process
cbse
class
12
chemistry
isolation of elements theory question
asked
Jun 23, 2017
by
pady_1
1
answer
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