Match the following:
(i)Can have variable composition of constituent elements (A)Compound(ii) – – – is new substance formed due to reaction of two constituent elements(B) Mixture(iii)Constituent elements can be separated easily (C) Element (iv)Can be separated only by chemical or electrochemical reactions(v) Composition is always fixed (vi)Shows properties of constituent elements The correct pairs are:-
Column IColumn IIi. Larynxa. Air sacsii. Tracheab. Lid of larynxiii. Alveolic. Voice boxiv. Epiglottisd. Wind pipe