p block
why BiF3 is ionic whereas other trihalides are covalent in nature?
Vapour pressure of CCl425Degree C at is 143mm of Hg0.5gm of a non-volatile solute (mol. wt. = 65) is dissolved in 100ml CCl4 .Find the vapour pressure of the solution (Density of CCl4 = = 1.58g /cm2): (a)141.43mm (b)
Emulsions are colloidal solutions in which disperse phase as well as dispersion medium is both liquids. Emulsions can be broadly classified into two types: (i) Oil in water (O/W type) emulsions: in this type of emulsions, oil acts disperse phase and water acts
Elaborate a substituted hydrocarbon?
Why oxidising character of oxoacids of halogens decreases as oxidation number increases?
show how a mathematical definition of entropy can be obtauined from a consideration of carnot cycle?
The various elements
What are the benefits of soapy detergents over the soap less detergents? Briefly state the benefits?
Give me answer of this question. The vapour pressure of water at 20degreeC is 17.54 mm. When 20g of a non-ionic, substance is dissolved in 100g of water, the vapour pressure is lowered by 0.30 mm. What is the molecular weight of the substances: (a) 210.2 (b) 206.88
density of water is 1g/mL.The concentration of water in mol/litre is
37% weight of HCl and density is 1.1g/ml. find molarity of HCl
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