What do you mean by the term hydra
What do you mean by the term hydra? Briefly define it.
Expert
The Hydra is a kind of polyp. This is an animal, as it moves around similar to one even although it appears similar to a plant. The hydra is from the Phylum Cnidarian and belongs with the others like coral and jellyfish.
Provide solution of this question. 60 gm of Urea (Mol. wt 60) was dissolved in 9.9 moles, of water. If the vapour pressure of pure water is P0 , the vapour pressure of solution is:(a) 0.10P0 (b) 1.10P0 (c) 0.90P0 (d) 0.99P0
Which is not a colligative property: (a) Refractive index (b) Lowering of vapour pressure (c) Depression of freezing point (d) Elevation of boiling point
Which of the following would have the maximum osmotic pressure (assume that all salts are 90% dissociated): (a) Decimolar aluminium sulphate (b) Decimolar barium chloride (c) Decimolar sodium sulphate (d) A solution obtained by mix
Molar solution signifies 1 mole of solute present/existed in: (i) 1000g of solvent (ii) 1 litre of solvent (iii) 1 litre of solution (iv) 1000g of solution
Why oxidising character of oxoacids of halogens decreases as oxidation number increases?
Elaborate a dipole moment?
what is the meaning of fourth power of valency of an active ion?
Illustrate the product of HCl Zn?
Choose the right answer from following. If two substances A and B have P0A P0B= 1:2 and have mole fraction in solution 1 : 2 then mole fraction of A in vapours: (a) 0.33 (b) 0.25 (c) 0.52 (d) 0.2
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
18,76,764
1932755 Asked
3,689
Active Tutors
1429530
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!