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Kerala (English Medium) / Chemistry Questions

Total Questions 667
EXPLAIN THE ROLE OF GREEN VEGITATION IN MAITAINING THE QANTITY OF OXYGEN IN ATMOSPHERE
what is thermodymanics
How is the extraction of aluminium?
Sir,will u please give extra more questions based on chapter "for stability"?
what is covalent bond?
How iron is extracted from the ore?
How is the extraction of aluminium?
what is an atom?
What is poligen?
Which among Beryllium and Hydrogen is more electronegative?
I WANT NOTES TO TAKE SEMINAR ON THE TOPIC "OXIDATION STATES AND TRENDS IN CHEMICAL REACTIVITY OF P-BLOCK ELEMENTS " IN +2 TEXT CHAPTER 7 PAGE NO.167"I CAN'T UNDERSTAND NOTES IN CHAPTER
what is protons?
please explain the extraction of iron from its ore?
Is hydrogen bond is weaker or stronger than van der walls forces?
Consider the elements F,Cl,O & N . What is the correct increasing order of their chemical reactivity in terms of the oxidizing property
what is electrons?
44.8L of oxygen is kept into a container at STP. a)What is the number of oxygen moles in it? b)What will be the number of molecules in it?
Question by anitta 05\10\2012 WHAT IS BALACING EQUATION? EXPLAIN.
in reversible reactions based on Le Chatelier's principle the effect of concentration?
SHOW THE SUB SHELL ELECTRONIC CONFIGURATION OF FIRST '50' ELEMENTS IN THE PERIODIC TABLE