Question
| Column A | Column B |
![]() | 1. Pale blue |
| 2. Reddish brown | |
| 3. Dirty green | |
| 4. Yellow |
| Column A | Column B |
![]() | 1. Pale blue |
| 2. Reddish brown | |
| 3. Dirty green | |
| 4. Yellow |
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| Column A | Column B |
| (1) Acid salt | (a) Sodium potassium carbonate |
| (2) Mixed salt | (b) Alum |
| (3) Complex salt | (c) Sodium carbonate |
| (4) Double salt | (d) Sodium zincate |
| (e) Sodium hydrogen carbonate |
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 |
![]() | 1. Carbon |
| 2. Graphite | |
| 3. Aluminium oxide $\left( Al _2 O _3\right)$ and Cryolite $\left( Na _3 AlF _6\right)$ | |
| 4. Copper sulphate solution |
| Column A | Column B |
| (a) Aluminium | 1. Steel-making |
| (b) Lead | 2. Aeroplane wings |
| (c) Brass | 3. Galvanising |
| (d) Iron | 4. Radiation shield |
| 5. Electric fitting |
| Column A | Column B |
| (1) Acid Salt | (a) Ferrous ammonium sulphate |
| (2) Double Salt | (b) Contains only ions |
| (3) Ammonium hydroxide solution | (c) Sodium hydrogen sulphate |
| (4) Dilute hydrochloric | (d) Contains only molecules |
| (e) Contains ions and molecules |
| Column A | Column A |
| (a) Period 4, group 2 | 1. Argon [Ar] |
| (b) Period 2, group 13 | 2. Calcium [Ca] |
| (c) Period 3, group zero | 3. Boron [B] |
| (d) Period 2, group 16 | 4. Oxygen [O] |
| Column A | Column B |
| (1) Duralumin | Electrical fuse |
| (2) Solder | Surgical instrument |
| (3) Brass | Aircraft body |
| (4) Stainless Steel | Decorative articles |
| Column A | Column B |
![]() | 1. Air |
| 2. Sulphur or pyrite burners | |
| 3. Steam | |
| 4. Copper | |
| 5. Ammonia |
| Column A | Column B |
![]() | 1. Sodium acetate and soda lime |
| 2. Water | |
| 3. Steam | |
| 4. Copper | |
| 5. Methane |
| Column A | Column B |
![]() | (1) Base |
| (2) Salt | |
| (3) Acid | |
| (4) Water |