Means of molality
Give me answer of this question. The number of moles of solute per kg of a solvent is called its: (a) Molarity (b) Normality (c) Molar fraction (d) Molality
The extent of adsorption of a gas on a solid adsorbent is affected by the following factors:
1. Nature of the gas Since physical adsorption is non-specific in nature, every gas will get adsorbed on the
Choose the right answer from following. Volume of water needed to mix with 10 ml 10N NHO3 to get 0.1 N HNO3: (a) 1000 ml (b) 990 ml (c) 1010 ml (d) 10 ml
i) Show that the equilibrium constant Kp for the reaction
CaCo3(s) ↔ CaO(s) +CO2(g)is about unity (i.e. = 1.0) at 895 °C.ii) If two grams of calcium carbonate are pl
Which is not a colligative property: (a) Refractive index (b) Lowering of vapour pressure (c) Depression of freezing point (d) Elevation of boiling point
The solution of sugar in water comprises: (i) Free atoms (ii) Free ions (iii) Free molecules (iv) Free atom and molecules.
Choose the right answer from the above.
37% weight of HCl and density is 1.1g/ml. find molarity of HCl
Select the right answer of the question.10ml of conc.H2SO4 (18 molar) is diluted to 1 litre. The approximate strength of dilute acid could be: (a)0.18 N (b)0.09 N (c) 0.36 N (d)1800 N
What is main difference among anti-aromatic and the non-aromatic compounds?
During processing of food, several chemicals are added to it to augment its shelf life and to make it more attractive as well. Main types of food addi
ive 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
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