State whether the statements given below are True or False. (i) Stone is transparent, while glass is opaque. (ii) A notebook has lustre while an eraser does not. (iii) Chalk dissolves in water. (iv) A piece of wood floats on water. (v) Sugar does not dissolve in water. (vi) Oil mixes with water. (vii) Sand settles down in the water. (viii) Vinegar dissolves in water.