Pure carbon commonly occurs in two forms: strong diamonds and soft, brittle graphite. The graphite is much more brittle because its carbon atoms are held together by single bonds, compared to double bonds in diamonds

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."

wher is the rest of the question