some basic concepts of chemistry
an atom of an element is 10.1 times heavier than the mass of a carbon atom.What is its mass in amu?
what is the molar conductance of chloropentaamminecobalt(III) chloride?
order of decreasing basicity of urea and its substituents
Describe briefly the functions of centrioles?
Whether HCl is a base or an acid? Briefly state your comments?
Briefly describe the difference in the Mendeleev’s table and modern periodic table?
Describe the net charge of a non-ionized atom?
Among the below shown which crystal will be soft and have low melting point: (a) Covalent (b) Ionic (c) Metallic (d) MolecularAnswer: (d) Molecular crystals are soft and have low melting point.
It may be prepared by the action of phosphorus on thionyl chloride.P4 + 8SOCl2 4
Give me answer of this question. When mercuric iodide is added to the aqueous solution of potassium iodide, the:(a) Freezing point is raised (b) Freezing point is lowered (c) Freezing point does not change (d) Boiling point does not change
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)
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