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Aditya Anand
Subject: Science, asked on 4/9/17
3Q. What is the difference between conduction and convection ? Name one medium in each case where it is the primary mode of heat transfer.
Kanishka Gupta
Subject: Science, asked on 31/8/17
why does copper sulphate solution turns green when an iron nail is dropped into it?
Kanishka Gupta
Subject: Science, asked on 31/8/17
what is galvanisation?how does it helps to prevent rusting?
Kanishka Gupta
Subject: Science, asked on 31/8/17
what is rust?
Kanishka Gupta
Subject: Science, asked on 31/8/17
Why does a piece of apple turns brown if it is left exposed to air for sometime?How it can be prevented?
Tanbi Brahma
Subject: Science, asked on 23/8/17
Which ice will melt the fastest?![]()
Ujjwal
Subject: Science, asked on 20/8/17
Why crystalisation of salt done in factories?
Ujjwal
Subject: Science, asked on 17/8/17
How would you prepare a base with the help of magnesium ribbon and test your result.
Rafay Rahman
Subject: Science, asked on 15/8/17
What Is The Meaning Of Beating Aluminium To Make Aluminium Foil
Ali Mustafa
Subject: Science, asked on 14/8/17
X is an element which forms two chlorides whose formula are XCI2 AND XCI3 . find out the valencies ofX
Ali Mustafa
Subject: Science, asked on 13/8/17
IF A CERTAIN COMPOUND HAS A FORMULA XCI3,WHAT IS THE VALENCY OF X ?
Manjot Singh
Subject: Science, asked on 12/8/17
how china rose act on acid
Manvitha
Subject: Science, asked on 31/7/17
is the melted wax is chemical or phisicalchange
Vijaya Jha
Subject: Science, asked on 29/7/17
How to know that I have completed 8 chapters in Meritnation??
Pranjal Tanwar
Subject: Science, asked on 26/7/17