Organic Chemistry — Chemistry STD 10 — Question

An oxide of a metal which is amphoteric in nature is ________ [PbO /Pb₃O₄ /PbO₂]

An electrically charged atom is called _______.

Heating ammonium chloride with sodium hydroxide produces ______.(ammonia, nitrogen)

The modern periodic table has __________ periods.

Bayers reagent is _________ .

__________ are identical to a normal covalent compound.

During electrolytic reduction of alumina, the inert electrode is ________ [reduced/oxidised] to a neutral gas.

The colour of conc. nitric acid prepared in the laboratory is generally ________ [pale yellow/yellowish brown] in colour. It is because a part of nitric acid decomposes to form ________ [NO/NO₂/N₂O] gas which redissolves in the nitric acid.

A salt prepared by displacement reaction is __________.

The organic compounds having same molecular formula, but different structural formulae are called ________ .[homologues/isomers]