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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
The actual reducing agent of haemalite in blast furnace is :
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
Semi conductor are refined by the process named as
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
0
answers
Semi conductor are refined by the process named as
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
In Goldschmidt aluminothermic process . there mite mixture contains
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
The incorrect statement is
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
Electrolytic reduction process is used for the extraction of
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
Which are is useful for the copper extraction ?
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
Calamine is an ore of :
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
Forth floatation process for the concentration of ores is applied for the extraction of
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
The anode in the electrolytic refining of silver contains
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
In the commercial electro chemical process for aluminium extraction the electrolyte used is
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
Which one of the following ore is not concentrated by froth floation process ?
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
The process of converting hydroated alumina into anhydrous alumina is called
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
Cupellation is a process used for the refining of
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
Which method of purification is represented by the following equator ? $T_{i(s)} +2I_{2(g)} \quad \underrightarrow{523 \;K} \quad TiI_{4(g)} \quad \underrightarrow{1700\;K} \quad T_{i(s)} +2I_2(g)$
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
The electrolytic reduction technique is used in the extraction of
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
Zone refining is a method to obtain
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
Poling process is used
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
The impurities present in the mineral are called
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
2
answers
In thermite process the reducing agent is :
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
Sulphide ores are generally concentrated by
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
2
answers
Which one of the following is not a basic flux ?
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 21, 2015
by
meena.p
1
answer
Argentine is a mineral of
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 21, 2015
by
meena.p
1
answer
The metal oxide, which cannot be reduced to metal by carbon is
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 21, 2015
by
meena.p
1
answer
Froth floatation process for the concentration of ores is a practical application of
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 21, 2015
by
meena.p
1
answer
Calamine is an are of
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 21, 2015
by
meena.p
1
answer
The actual reducing agent of hematite in blast furnace is
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 21, 2015
by
meena.p
1
answer
The oxidant which is used as an antiseptic is :
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Which of the following alkenes is most reactive towards cal ionic polymerization ?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Tincture of iodine is :
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Which of the following is used an a " Morning after pill"?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Bithional is an example of :
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
The hybrid rocked propellant consists of :
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Which of the following is a bacteiostatic ?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Which of the following compounds is used as a body deodorant ?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Which of the following compounds is used as a body deodorant ?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Phenacetin is used as an ?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Which is not a polymer ?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Which of the following is a cross linked polymer ?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Which of the following rubbers is net a polydiene ?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
A drug that is antipyretic as well as analgesic is :
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Condensation product of caprolactum
cbse
class12
chemistry
sec-b
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Which one of the following is not a bread spectrum antibiotic ?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Buna-s is a polymer of :
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Which one of the following types of drugs reduces fever ?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Which of the following is a polymide ?
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
2-Acetoxy benzoic acid is used as an :
cbse
class12
chemistry
sec-b
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
In elastomer intermolecular forces are :
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
A polymer containing nitrogen is :
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
Paracetamol is an
cbse
class12
chemistry
ch-15
polymers
asked
Dec 21, 2015
by
meena.p
1
answer
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