Fill in the blanks with the correct words from the brackets. Generally ionic compounds exist in
(1) …………. (solid/liquid/gas) state. Melting and boiling points of covalent compounds are generally
(2) ………….. (low/high). The general formula for alkane is
(3) ……………. (CnH2n/CnH2n-2 /CnH2n+2). For alkynes the general formula is
(4) ………….. (CnH2n/CnH2n-2 /CnH2n+2)