During the electrolysis of the brine solution which of the following gas  is liberated at anode?

Brine is the:

Aqueous solution of ‘X’ on treatment with copper sulphate solution gives a blue precipitate of ‘Y’. What could be X and Y??

Which of the following elements is not found in the bleaching powder?

The electrolysis of brine is also known as Chlor-alkali process because:

Different steps involved in the mechanism of preparation of sodium hydroxide by Electrolysis process are given below. Arrange them in correct sequence
(I). 
(II). 
(III). 
(IV). 

Which of the following compound is commercially manufactured by using Hassen Clever plant?

Chlorine gas on passing through slaked lime at ________ gives bleaching powder.

Which of the following picture does not depict the use of sodium hydroxide?

Multiple True-False Type Questions
State whether the following statements are true or false.
I. Bleaching powder is extensively used in the petroleum refining.
II. Sodium hydroxide on being exposed to air reacts with the CO₂ present in the air to form sodium carbonate.
III. Sodium hydroxide can be used in the purification of bauxite (an aluminium ore) during the extraction process.
IV. Bleaching powder is acts as both oxidising as well as reducing agent due to presence of oxygen.

Study the given figure carefully, which represents the decomposition of aqueous sodium chloride solution by passing electricity.
Identify the X, Y, P, Q and R in the below figure.

Gas P formed after the reaction between acid and compound A, when directed towards a burning candle extinguishes it. A is

Which of the following products are obtained when caustic soda reacts with manganese sulphate (MnSO₄)?

Which of the following is correctly matched?

Metal reacts with the oxygen in the air to give their respective metal ______?

Rusting is outcome of forming metal oxide layer over metal.

Which among the following pairs of acid and base are weak, respectively?