normality
how 0.5N HCL is prepared for 10 littre solution
Describe briefly the functions of centrioles?
Choose the right answer from following. 200ml of a solution contains 5.85 dissolved sodium chloride. The concentration of the solution will be(Na= 23: cl = 35.5 ) (a) 1 molar (b) 2 molar (c) 0.5 molar (d) 0.25 molar
Which of the following solutions will have a lower vapour pressure and why? a) A 5% aqueous solution of cane sugar. b) A 5% aqueous solution of urea.
Illustrate the Lewis Dot Structure for the CH4O.
Can you please illustrate that HCl is polar or non-polar? Briefly illustrate it.
The boiling point of benzene is 353.23 K. If 1.80 gm of a non-volatile solute was dissolved in 90 gm of benzene, the boiling point is increased to 354.11 K. Then the molar mass of the solute is: (a) 5.8g mol-1 (b)
what are the most important inorganic molecular substances for living beings?
Crystals of the covalent compounds always contain:(i) Atoms as their structural units (ii) Molecules as structural units (iii) Ions held altogether by electrostatic forces (iv) High melting pointsAnswer: (i)
introduction for polyhalogen compound
with the help of polarity of c-x bond show that aryl halides are less reactive than alkyl halides
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