Which statement best explains why crude oil is a mixture?The parts of crude oil can be separated but the physical properties of the parts will have changed. The parts of crude oil can be separated, and the physical properties of each part remain the same. The parts of crude oil cannot be separated by any known method. The parts of crude oil can be separated using a sieve

The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif            –1,036licl            –853naf            –923kf            –821nacl            –786which statement about crystal lattice energy is  best  supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.