| Group A | Group B |
| 1) Electroplating | a) Pressure cooker |
| 2) Anodising | b) Silver plated spoons |
| c) Coating of tin on copper | |
| d) Coating of Zinc on iron |
| Group A | Group B |
| 1) Electroplating | b) Silver plated spoons |
| 2) Anodising | a) Pressure cooker |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Substance | Property |
| (1) Potassium bromide | (a) Combustible |
| (2) Gold | (b) Soluble in water |
| (3) Sulphur | (c) No chemical reaction |
| (4) Neon | (d) High ductility |
| Column A | Column B |
| (1) Actin and Myosin | (a) Pancreas |
| (2) Ossein | (b) Skin |
| (3) Insulin | (c) Bones |
| (4) Melanin | (d) Muscles |
| Column $A$ | Column $B$ | ||
| $(1)$ | Heat | $(a)$ | $cal/g^\circ C$ |
| $(2)$ | Specific heat capacity | $(b)$ | $kg/m^3$ |
| $(3)$ | Absolute humidity | $(c)$ | calorie |
| Column A | Column B | Column C |
| (i) Triad | (a) Positive change on the nuleus | (1) Mendeleev |
| (ii) Octave | (b) Sequential change in molecular formulae | (2) Dobereiner |
| (iii) Atomic number | (c) Average of the first and the third atomic mass | (3) Newlands |
| (iv) Period | (d) Properties of the eighth element similar to the first | (4) Mosely |
| Column A | Column B |
| (1) Yoghurt | (a) Lactobacillus lactis |
| (2) Bread | (b) Lactobacillus casei |
| (3) Cheese | (c) Lactobacillus delbrueckii |
| (4) Kefir | (d) Saccharomyces cerevisiae |
| (e) Aspergillus oryzae |
| Column 'A' | Column 'B' |
| (1) Tahsildar | (a) District disaster management |
| (2) Prime Minister | (b) Village level committee |
| (3) Sarpanch | (c) State disaster management |
| (4) Collector | (d) National disaster management |
| (e) Taluka disaster management |
| Column A | Column B |
| 1) s -block | a) Lanthanides and actinides |
| 2) p -block | b) Group 3 to 12 |
| 3) d -block | c) Group 1, 2 |
| 4) f -block | d) Group 13 to 18 |
| e) Zero group |
| Column A | Column B |
| (1) Solid fuel | (a) Vegetable oils |
| (2) Liquid fuel | (b) Gobar gas |
| (3) Gaseous fuel | (c) Crop residue |
| Reactants | Products | Types of chemical reaction | ||
| $1.$ | $MgH_2$ | $\rightarrow$ | $Mg + H_2$ | Endothermic |
| $2.$ | $2H_2S + SO_2$ | $\rightarrow$ | $3S + 2H_2O$ | Oxidation |
| $3.$ | $CaO + H_2O$ | $\rightarrow$ | $Ca(OH)_2 +$ heat | Exothermic |
| Redox | ||||