Answer:
Covalent Bond
Explanation:
Because of the unequal sharing of electrons, a covalent bond exists.
Answer:
Option A
Explanation:
Addition of too much of solvent will make the solution dilute due to which the crystals will not form. Hence option D is incorrect
On the other hand adding a minimum amount of boiling solvent will give a saturated solution for recrystallization. Hence, option A is incorrect
Addition of cold solvent will lower the rate of formation of crystals. Hence, both option B and C are incorrect
Answer:
4
Explanation:
Because of single replacement the ideal shape comes in form
It helps us remember the four bases of dna