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can you give some new ideas to treat water
Q. Isolation and purification of metals? metals as a group of elements have acquired a unique importance in the modern world. However, nature' does not generally offer us metal
convert benzene to benzaldehyde
A tank having 100 kg of a 60% brine (60% salt) is ?lled with a 10% salt solution at the rate of 10 kg/min and 78°F.Solution is detached from the tank at the rate of 15 kg/min. Fin
The temperatre of an air bubble while rising from bottom to surface of lake remains constant but its diameter is doubled . if the pressure is equivalent to h meter of mercury colum
The total number of electrons present in all the p-orbitals of bromine are: (1) Five (2) Eighteen (3) Seventeen (4) Thirty five Ans: Seve
Effect of substituent on acidic nature (a) An electron withdrawing substituent that is - I effect stabilizes the anion by dispersing the negative charge and hence increases the
Q. Classification of emulsifiers? Emulsifiers can be classified under two categories. These are: • Natural: These are naturally present in foods. Some examples are phosphol
The ionization energy of hydrogen atom is -13.6eV. The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro's co
Why are they (Lanthanides and Actinides) called Inner Transition Elements?
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