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Rifa Rehana Azim
Subject: Chemistry, asked on 20/7/16
theory of chromatography
Veeksha
Subject: Chemistry, asked on 17/7/16
a compound is always homogenous but a mixture is not. give reasons.
Veeksha
Subject: Chemistry, asked on 17/7/16
Water cannot be used to separate the mixture of charcoal and sulphur but carbon disulphide can. Give reasons.
Deep Patel
Subject: Chemistry, asked on 9/7/16
How to separate
- Gold from a mixture of GOLD and COPPER FILLINGS
- PURE water from SEA WATER
- KEROSENE OIL from a mixture of KEROSENE OIL and PETROL
- LEAD SULPHATE from a mixture of LEAD SULPHATE and LEAD CHLORIDE
- Gold from a mixture of GOLD and COPPER FILLINGS
- PURE water from SEA WATER
- KEROSENE OIL from a mixture of KEROSENE OIL and PETROL
- LEAD SULPHATE from a mixture of LEAD SULPHATE and LEAD CHLORIDE
Ap
Subject: Chemistry, asked on 10/6/16
How to seperate Nitrogen from liquid air?
Ap
Subject: Chemistry, asked on 10/6/16
How to seperate a mixture of Carbon dioxide and hydrogen? What method will be used and why?
Ap
Subject: Chemistry, asked on 2/6/16
Are alloys compounds or mixtures? If they are mixtures, are they homogenous or heterogenous. Give reason.
Ap
Subject: Chemistry, asked on 2/6/16
Is blood a conpound or a mixture? If it is a mixture, is it homogenous or heterogenous? Give reason.
Abhinav Ghosh
Subject: Chemistry, asked on 23/5/16
How can taxol be sepearated from a mixture of nacl and taxol
Suyash Kumar
Subject: Chemistry, asked on 27/2/16
Why is non luminous flame called oxidation flame whereas luminous flame as reduction flame? Give reasons
Suyash Kumar
Subject: Chemistry, asked on 27/2/16
Does corrosion depend on acid? Explain your answer.
Suyash Kumar
Subject: Chemistry, asked on 25/2/16
How to calculate number of moles in a given gram of an element?
Nandini
Subject: Chemistry, asked on 20/2/16
CHEMICAL AND COMMON NAME OF HCL,HNO2,H2SO3,NaOH,HCOOH.
Nandini
Subject: Chemistry, asked on 20/2/16
formula of phosphuric acid
Aruneet Datta
Subject: Chemistry, asked on 9/2/16