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Recent questions tagged chemistry
Questions
Cyanide process is used for obtaining
cbse
class12
chemistry
ch-6
isolation-of-elements
asked
Dec 22, 2015
by
meena.p
1
answer
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
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