Analytical Chemistry — Chemistry STD 10 — Question

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

If the participating atoms in a chemical reaction are a metal and a non-metal, the compound so formed has ________ boiling point. (higher/lower)

Moving across a __________ of the periodic table, the elements show increasing __________ character.

One volume of water at room temperature can absorbs ________ volumes of ammonia gas. [450/700]

Vital force theory was discarded by the synthesis of__________ in laboratory.

When sulphur trioxide gas is passed through conc. sulphuric acid the product formed is ________ . [H₂S₂O₇/H₂S₂O₅]

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.

Organic compounds are essentially_________compounds. They
show ___________Reaction and their rates are ___________.

Compounds represented by a single molecular formula but having different structural formulae are called _______ and this phenomenon is known as _______.

Dissolving of aluminium foil in HCl as well as NaOH shows that it is __________ in nature.