Answer:
Sound energy is what we get from an MP3 player
It uses Electrical energy
Explanation:
Metalloids had properties that fall between those of metals and nonmetals (I believe that to be correct-.-)
Vertical now I need to fill 20 characters
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