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Kerala (English Medium) / Chemistry Questions

Total Questions 667
what is meant by an internal energy?
HOW MANY MOLECULES ARE THERE IN 2g OF HYDROGEN ?
A d BLOCK ELEMENT IRON(Fe) FORMS TWO TYPES OF COMPOUNDS,FeSO4 AND Fe2(SO4)3 a) which of these compounds contains ferric(Fe3+) IRON?
YOU WANT TO PREPARE 500ml OF 1 MOLAR SOLUTION OF GLUCOSE. CALCULATE THE MASS OF GLUCOSE REQUIRED FOR IT.
WHAT DO YOU MEAN BY PROTIC ACID?
an element A has two isotopes of masses 6&7 in the ratio 1:3 .calculate the atomic mass of the element ?
A METAL M FORMS TWO OXIDES .A MASS OF 0.2g OF FIRST OXIDE CONTAINS 0.08g OF OXYGEN AND 0.24g OF SECOND OXIDE CONTAINS 0.12g OXYGEN .CALCULATE THE MOLECULAR FORMULA OF THE SECOND OXIDE AND FIRST ?
CALCULATE THE WAVE LENGTH OF SPECTRA LINE IN THE SPECTRUM OF HYDROGEN? n=3in balmer series
HOW CAN WE FILL ELECTRONS IN A ORBITAL UPTO 1-20 ie, H-Ca?
what is called mass,matter and moleclues ? with examples
Draw a graph showing that when pressure increases volume decreases.
320ml of nitrogen is kept in a cylinder at 273k under a pressure of 1atm.What will be the new volume of nitrogen if the pressure changes to 0.5atm?
What is GAM?
What is GAM?
what is meant by electronic configuration ?
Explain the Avogadro's law.
HOW ATOMIC MASS OF CHLORINE BECAME 35.5?
WHAT IS POSITION ISOMERISM?
WHAT IS CHAIN ISOMERISM?
WHO IS ADOLF VON BAEYER, WHAT IS HIS CONTRIBUTION IN CHEMISTRY?