Analytical Chemistry Uses of Ammonium Hydroxide and Sodium Hydroxide — Chemistry STD 10 — Question

The number of H+ ions of an acid which react completely with one molecule of a base is calledits __________.

Fill in the blanks with correct words from the brackets:
Alkenes are the (a) _______ (analogous/homologous) series of (b ) ______ (saturated /unsaturated) hydrocarbons. They differ from alkanes due to presence of (c) _______ (double/ single) bonds. Alkenes mainly undergo (d) ______ (addition/ substitution) reactions.

Esterification is the reaction between carboxylic acid and ______ in presence of ____ .

The white precipitate of lead chloride is soluble in _________

The addition of cryolite to the purified alumina ________ the melting point of the mixture. [raises/lowers]

Vinegar contains __________ acid.

An acid is a compound which, when dissolved in water gives ______ ( hydronium / hydroxide) ions as the only ______ (positive/negative) ions.

When ammonia gas is passed through copper sulphate solution, it forms ________ [bluish white/pale blue] precipitate. This precipitate dissolves in excess of ammonia to form ________ [deep blue/deep green] colouration.

An example of a salt which produces neutral solution on hydrolysis is ________. [sodium acetate/sodium carbonate/sodium chloride]