coagulation
what is the meaning of fourth power of valency of an active ion?
Give me answer of this question. Among the following substances the lowest vapour pressure is exerted by: (a) Water (b) Mercury (c) Kerosene (d) Rectified spirit
why o-toluidine is a weaker base than aniline?
What weight of hydrated oxalic acid should be added for complete neutralisation of 100 ml of 0.2N - NaOH solution? (a) 0.45 g (b)0.90 g (c) 1.08 g (d) 1.26 g Answer
What are the advantages of doing your own chemistry assignments? State your comment?
Elaborate the structure of a DNA molecule?
The weight of pure NaOH needed to made 250cm3 of 0.1 N solution is: (a) 4g (b) 1g (c) 2g (d) 10g Choose the right answer from above.
Select the right answer of the question. The unit of molality is: (a) Mole per litre (b) Mole per kilogram (c) Per mole per litre (d) Mole litre
is entropy on moleculare basis relates to the tras.,vib.,and rotational motions?
Phenol was initially obtained by fractional distillation of coal
Briefly describe the procedure for separating the components of the gun-powder?
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