normality
how 0.5N HCL is prepared for 10 littre solution
The edge length of the unit cell of Nacl crystal lattice is 552 pm. If ionic radius of sodium ion is 95. What is the ionic radius of chloride ion:(a) 190 pm (b) 368 pm (c) 181 pm (d) 276 pm <
When 5.85 g of NaCl (having molecular weight 58.5) is dissolved in water and the solution is prepared to 0.5 litres, the molarity of the solution is: (i) 0.2 (ii) 0.4 (iii) 1.0 (iv) 0.1
Particles of quartz are packed by:(i) Electrical attraction forces (ii) Vander Waal's forces (iii) Covalent bond forces (iv) Strong electrostatic force of attraction Answer: (iii)
Drugs are broadly classified into following types depending on the purpose for which they are used. 1. Antipyretics
What is the reason behind this that some medications contain hcl?
What do you mean by the term hydra? Briefly define it.
An extension of the kinetic molecular theory of gases recognizes that molecules have an appreciable size and deals with molecule-molecule collisions. We begin studies of elementary reactions by investigating the collisions b
explain the process of relative lowering of vapour pressure
Choose the right answer from following. The molarity of a solution of Na2CO3 having 10.6g/500ml of solution is : (a) 0.2M (b)2M (c)20M (d) 0.02M
The freezing point of equi-molal aqueous solution will be maximum for: (a) C6H5NH3+Cl-(aniline hydrochloride) (b) Ca(NO3
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