Question
| Column A | Column B |
| (1) Nitrogen | |
![]() | (2) Hydrogen |
| (3) Carbon | |
| (4) Chlorine |
| Column A | Column B |
| (1) Nitrogen | |
![]() | (2) Hydrogen |
| (3) Carbon | |
| (4) Chlorine |
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| Column A | Column B |
![]() | 1. Copper |
| 2. Graphite | |
| 3. Aluminium. | |
| 4. Electrolytic mixture |
Given below in column A is a schematic diagram of refining of aluminium by Hoope's process. Identify the parts labelled as A, B and C with the correct options from the column B.
| Column A | Column B |
![]() | 1. Anode |
| 2. Cathode | |
| 3. Fluorides | |
| 4. Copper sulphate solution |
| Column A | Column B |
| (a) Process by which ethane is obtained from ethene. | 1. Addition |
| (b) A hydrocarbon which contributes towards the greenhouse effect. | 2. Hydrolysis |
| (c) An organic compound whose functional group is carboxyl. | 3. Acetic acid |
| (d) The property of elements by virtue of which atoms of the element can link to each other in the form of a long chain or ring structure. | 4. Catenation |
| 5. Methane |
| Column A | Column B |
| (a) Catalyst used for conversion of ethene to ethane | 1. Ethyne |
| (b) Process of formation of ester | 2. Nickel |
| (c) Step down reaction | 3. Ethanoic acid |
| (d) Forms red precipitate with ammoniacal cuprous chloride | 4. Decarboxylation |
| 5. Esterification |
| Column A | Column B |
![]() | 1. Air |
| 2. Sulphur or pyrite burners | |
| 3. Steam | |
| 4. Copper | |
| 5. Ammonia |
| Column A | Column B |
![]() | 1. Cathode |
| 2. Graphite | |
| 3. Anode | |
| 4. Copper sulphate solution |
| Column A | Column B |
![]() | 1. Sodium Chloride |
| 2. Calcium carbonate | |
| 3. Sulphuric acid | |
| 4. Acetic acid | |
| 5. Hydrogen chloride |
| Column A | Column B |
| (a) Acid salt | 1. Sodium potassium carbonate |
| (b) Mixed salt | 2. Alum |
| (c) Complex salt | 3. Sodium carbonate |
| (d) Double salt | 4. Sodium zincate |
| 5. Sodium hydrogen carbonate |
Given below in column A is a schematic graph of the ionization enthalpies and atomic numbers. Identify the elements labelled as A, B and C with the correct options from the column B.
| Column A | Column B |
![]() | (1) Lithium (2) Carbon (3) Boron (4) Chlorine |
| Column A | Column B |
![]() | 1. Pale blue |
| 2. Reddish brown | |
| 3. Dirty green | |
| 4. Yellow |