Basic concepts
Determination of correct mol. Mass from Roult's law is applicable to :
what is the meaning of fourth power of valency of an active ion?
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)
Provide solution of this question. Molarity of a solution prepared by dissolving 75.5 g of pure KOH in 540 ml solution is: (a) 3.05 M (b) 1.35 M (c) 2.50 M (d) 4.50 M
how avogadros hypothesis used to deduce the atomicity of elementry gases ?
Wax is an example of: (a) Ionic crystal (b) Covalent crystal (c) Metallic crystal (d) Molecular crystalAnswer: (d) Iodine crystals are molecular crystals, in which constituent particles are molecules having inter particle
What type of bond does HCl encompass? Describe briefly?
Why oxidising character of oxoacids of halogens decreases as oxidation number increases?
Briefly describe the dipole moment direction for the methanol?
Drugs are broadly classified into following types depending on the purpose for which they are used. 1. Antipyretics
Which of the given modes of expressing concentration is fully independent of temperature: (1) Molarity (2) Molality (3) Formality (4) Normality Choose the right answer from above.
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