Carbon and its Compounds
Top questions
See all →- Explain the mechanism of the cleaning action of soaps. The dirt present on clothes is organic in nature and insoluble in water. Therefore, it cannot be removed by only washing with water. When so... 1
- Give a test that can be used to differentiate chemically between butter and cooking oil. Butter contains saturated fats. Therefore, it cannot be hydrogenated. On the other hand, oil has unsaturated fats. That is why it can be hyd... 2
- Which of the following hydrocarbons undergo addition reactions: C2, H6, C3H8, C3H6, C2H2 and CH4. Unsaturated hydrocarbons undergo addition reactions. Being unsaturated hydrocarbons, C₃H₆ and C₂H₂ undergo addition reactions. 1
- What is hydrogenation? What is its industrial application? Hydrogenation is the chemical reaction between hydrogen and other compounds in the presence of catalyst. Hydrogenation is used mainly to red... 2
- What change will you observe if you test soap with litmus paper (red and blue)? Since soap is basic in nature, it will turn red litmus blue. However, the colour of blue litmus will remain blue. 1
- Explain the formation of scum when hard water is treated with soap. Hard water often contains salts of calcium and magnesium. Soap molecules react with the salts of calcium and magnesium and form a precipitat... 1