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In the metallurgy of aluminium

In the manufacturing of sulphuric acid write the equation with condition for oxidation of SO_2 to SO_3

In the mesophyll cells of leaves the chloroplast get aligned parallel to the wall when-

In the mechanism of Reimer – Tiemann reaction, the species not involved is

In the manufacturing of sulphuric acid write the formation of Oleum from SO_3.

In the manufacturing of metallic sodium by fused salt electrolysis method (Down's process), small amount of CaCl_(2) that added is known as auxillary electrolyte and is used to

In the manufacture of sulphuric acid write : (i) The equation with condition for oxidation of SO_(2) to SO_(3). (ii) Formation of Oleum from SO_(3).

In the manufacture of sodium hydroxide, by product obtained is:

In the manufacture of Teflon, the monomer used is ..............

In the manufacture of sulphuric acid (H_2SO_4), the final product obtained is oleum.Write chemical equation for the conversion of oleum to sulphuric acid.

In the manufacture of sulphuric acid (H_(2)SO_(4)) the final product obtained is oleum. (i) What is oleum ? (ii) Write chemical equation for the conversion of oleum to sulphuric acid.

In the manufacture of sulphuric acid (H_2SO_4), the final product obtained is oleum. What is oleum?

In the manufacture of sulphuric acid by the contact process, sulphur trioxide is not directly dissolved in water. Why?

In the manufacture of sulphuric acid by contact process, Tyndall box is used to

In the the manufacture of sulphuric acid by the Contact process ,give the equations for the conversionof sulphur trioxide to sulphuric acid .

In the manufacture of sulfuric acid by the contact process, why great care is taken to purify the mixture of air and sulfur dioxide, especially to free it from arsenic impurities?

In the manufacture of safety matched, we use:

In the manufactureof phenol from isopropyl benzene , the important by-product obtained is _________

In the manufacture of NH_(3) by Haber's process, the condition which would give maximum yield is N_(2)+3H_(2)hArr2NH_(3)+Q kcal

In the manufacture of nitric acid by Ostwald's process, Write a) the catalyst for the oxidation of ammonia by atmospheric oxygen.

In the manufacture of nitric acid by Ostwald's process, write the dehydrating agent used to convert 68% by mass of HNO_(3) to 98%.

In the manufacture of nitric acid by Ostwald's process, Write the chemical equation for the dissolution of NO_(2) in water.

In the manufacture of iron from hacmatite, the limestone acts as

In the manufacture of iron from haematite, limestone is added to act as :

In the manufacture of iron from haematite, the limestone acts as

In the manufactureof H_(2)SO_(4) the nitratedacid from the Gay-Lussac'stower chemically.

In the manufacture of iron from an iron oxide ore , limestone is added because it acts as :

In the manufacture of hydrogen from water gas (CO + H_2), which of the following is correct statement?

In the manufacture of H_2SO_4 the nitrated acid forms the Gay-Lussac.s tower is chemically"

In the manufacture of bromine from sea water the mother liquor containing bromides is treated with

In the manufacture of glass, addition of MnO_2 gives:

In the manufacture of chlorine by electrolysis of brine -

In the manufacture of ammonia by Haber's process, N_(2(g))+3H_(2)hArr2NH_(3(g))+92.3kJ, which of the following conditions is unfavourable

In the manufacture of ammonia by Haber's process, N_(2(g))+3H_(2)leftrightarrow 2NH_(3(g))+92.3 kJ, which of the following conditions is unfavourable

In the manufacture of ammonia by Haber's process: i) Mention the optimum temperature and optimum pressure employed. ii) What is the role played by potassium oxide (K_(2)O)?

In the manufactore of ammonia by Haber's process, write the flow chart and chemical equations with optimum conditions.

In the main group elements (i) as we proceed down the same group in the periodic table and (ii) as we proceed from left to right in the same period, the atomic radius

In the Ma-Al cell, the number of electrons involved in the cell reaction are :

In the low spin [Fe(H_(2)O)_(6)]^(2+) complex, the number of unpaired electrons are :

In the Lucas test, terbidity is not shown by

In the long form of the periodic table, the transition metals are placed in

In the lime kilns, the reaction : CaCO_(3)(s)hArr CaO(s)+CO_(2)(g)goes to completion because :

In the lime kiln of Solvay process, lime stone is burnt to get carbon dioxide. Lime stone is :

In the Liebermann's test for phenols, the blue or green colour produced is due to the formaton of

In the Liebermann's nitroso reaction, sequential changes in the colour of phenol occurs as

In the lead storage battery during discharging

In the lead-acid battery during charging, the cathode reaction is

Inthe leachingofAg_2Swith NaCN,a stream of airisalsopassed.It isbecause