normality
how 0.5N HCL is prepared for 10 littre solution
In Einstein’s mass energy relation e = mc2 for what is c employed or why is light needed for the reactions. As the reactions are with the help of neutrons?
Briefly state the wavelengths which the human eye can see?
an atom of an element is 10.1 times heavier than the mass of a carbon atom.What is its mass in amu?
Superphosphate has the formula CaH4(PO4)2 H2O, what is the calculation to get the percentage of Phosphorus, I need to show the calculation. I know it is 30.9737622 u in weight and 2 atoms of the formula, but not sure how to work the calculation backwards.
The colligative properties of a solution depend on: (a) Nature of solute particles present in it (b) Nature of solvent used (c) Number of solute particles present in it (d) Number of moles of solvent only
Briefly describe the difference in the Mendeleev’s table and modern periodic table?
Unit of measurement- These are also some systems for units: (1) C.G.S.
Choose the right answer from following. Colligative properties are used for the determination of: (a) Molar Mass (b) Equivalent weight (c) Arrangement of molecules (d) Melting point and boiling point (d) Both (a) and (b)
Describe the difference between law of multiple proportions and law of definite proportions?
what are condensation polymerization give in with 2 examples
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