Organic Chemistry — Chemistry STD 10 — Question

The word acid comes from latin acidus meaning _________

An atom or a group of atoms attached to an alkyl group, which takes part in most of the chemical reactions is called ________ .[inert group/functional group]

The impurity which separates out when impure bauxite is heated with conc. sodium hydroxide is ________. [PbO/Fe₂O₃/CuO]

An example of a weak acid is ________ [HCI/ H₂CO₃/ HNO₃/ H₂SO₄]

The electrode where the current enters the electrolyte is called the _______

Each period except period 1 in the periodic table begins with __________ and ends up with a __________.

Melting and boiling points of covalent compounds are generally __________.

Down the group, electron affinity ____________. (increases, decreases) 

Most of the organic compounds have ________ melting and boiling points.[high/low]

Fill in the blanks :
Electrolysis is the passage of……………. (electricity/electrons) through a liquid or a solution accompanied by a ………….. (physical/chemical) change.