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bharath


{ City } hyderabad
< Country > india
* Profession * student
User No # 99978
Total Questions Posted # 6
Total Answers Posted # 19

Total Answers Posted for My Questions # 8
Total Views for My Questions # 29474

Users Marked my Answers as Correct # 174
Users Marked my Answers as Wrong # 32
Questions / { bharath }
Questions Answers Category Views Company eMail

why we use kbr as constant in the FTIR ?

4 Analytical Chemistry 8173

what is the principle involved in turbidometry and nephelometry ?

Graviti Pharmaceuticals,

Analytical Chemistry 3317

how can u calculate the percentage CDR?

1 Pharmacy 4626

what is the mechanism of action of local anaesthetics?

Health Pharma AllOther 1528

why we have to use only 900 ml buffer in dissolution apparatus ? what are the conditions that favours the selection of volume of buffer?

1 Health Pharma AllOther 5893

what is prodrug and what is softdrug ?

CLG,

2 Pharmacy 5937






Answers / { bharath }

Question { Orion Laboratories, 10022 }

If a drug possesses zwitter ionic nature then can it plays
any important role in pharmacy?


Answer

The zwitter ionic character (anionic and cationic) plays a vital role in maintaining the stability of drugs. It also enhances the solubulity and therapeutic efficacy of drugs

Is This Answer Correct ?    2 Yes 0 No

Question { 5083 }

Do red algae perform photosynthesis?


Answer

Red algae are
red because they
contain pigments
called
phycoerythrins
which absorbs
blue light and
reflects red
light.
This makes it
possible for red
algae to carry
out
photosynthesis
in comparatively
deep waters,
because blue
light penetrates
deeper than
lights of longer
wavelengths,
such as red
light.
Some red algae
only contain a
very small
amount of
phycoerythrins
and such species
can look green
or bluish rather
than red.

Is This Answer Correct ?    1 Yes 0 No


Question { SSC, 25709 }

A mixture of water and alcohol can be separated by

1 Filtration

2 Evaporation

3 Distillation

4 Decantation


Answer

3)distillation
Theory:: Normally water and alcohol are have the same boiling point.If we make a mixture of water and alcohol they cannot be seperated by the normal distillation process .SO "AZEOTROPIC EXTRACTIVE DISTILLATION " process used for seperating alcohol and water.

EX: mixture of water and ethanol can be seperated by using benzene as azeotrope. pure ethanol obtained by this process

Is This Answer Correct ?    22 Yes 5 No

Question { 6351 }

describe four functions of the skin


Answer

1)skin acts as a
passage for the
flow of sweat,
2) it indicates
increasd or
decreasd
temperature of
the body 3)main
site for the
insertion of
parentrals 4)ph
maintanance 5)
synthesis of
vitamin d frm
sun

Is This Answer Correct ?    0 Yes 0 No

Question { 3404 }

what was the period of time two beat,s in
hurts.


Answer

o.1 sec

Is This Answer Correct ?    0 Yes 0 No

Question { CBI, 7077 }

what are the enzyme present in the saliva?


Answer

salivary amylase is the main enzyme present in the saliva

Is This Answer Correct ?    2 Yes 0 No

Question { 6783 }

What is the full form of ATP.


Answer

Adenosine triphosphate.

Is This Answer Correct ?    6 Yes 2 No

Question { BioPlus, 10231 }

what is mean by stability study?


Answer

STABILITY STUDY MEANS THE TEST WHICH ARE PERFORMED ON DOSAGE FORMS BY KEEPING THEM IN DIFFERENT CONDITIONS , BY SUBJECTING THEM TO DIFFERENT TEMPERATURES , AND SUBJECTING THEM TO ACIDS AND BASES . BY THIS STUDY WE CAN IMPROVE THE SHELF LIFE OF DOSAGE FORMS

Is This Answer Correct ?    1 Yes 0 No

Question { Lupin, 6858 }

Explain photostability ?


Answer

The substances which are stable OR remain unchanged in the presence of light are called as photostable and the phenomenon called as photostability

Is This Answer Correct ?    0 Yes 3 No

Question { 15787 }

If an enteric coated tablet is taken with milk,will it
disintegrate in stomach or still it will manage to pass
into the intestine and disintegrate in inherent alkaline
environment of intestine?


Answer

milk is slightly acidic and the environment of stomach also acidic . These two factors stops the disintegration of enteric coated tablet in the stomach and maintains its stability . But when drug enters into the intestine due to presence of alkaline environment it will undergoes disintegration

Is This Answer Correct ?    2 Yes 2 No

Question { Aurobindo, 17634 }

what is the difference of vaccum pressure and vapour
pressure ?


Answer

vaccum pressure is negative pressure and it may be achieved by suction or vaccum pump.it lies always below the atmospheric pressure. Vapour pressure is the pressure exerted by the vapours at its boiling point and it is equal to atmospheric pressure

Is This Answer Correct ?    19 Yes 0 No

Question { Reddy Labs, 11431 }

Difference Between Purity And Potency?


Answer

purity is the absence of impurities or contaminants in a substance

potency is the term used to express the effect of drug.potency is the amount of drug required to show effect of given intensity
highly potent drugs shows a larger effect at low concentrations .
potency of a drug directly proportional to purity

Is This Answer Correct ?    29 Yes 4 No

Question { MSN Pharma, 5531 }

Does we get same value by LOD and KF titeration of a single
sample


Answer

no . kf titration is more accurate than LOD

Is This Answer Correct ?    0 Yes 1 No

Question { Glenmark, 51226 }

What is the limit for friability of tablets?


Answer

less than 1%

Is This Answer Correct ?    35 Yes 5 No

Question { Cipla, 24380 }

what is the composition of C18 column


Answer

it contains octa decyl silane bonds

Is This Answer Correct ?    17 Yes 1 No

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