KERALA PSC / CHEMISTRY / APPLICATIONS OF SOME COMMON ORGANIC COMPOUNDS / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES

 

KERALA PSC / CHEMISTRY / APPLICATIONS OF SOME COMMON ORGANIC COMPOUNDS / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES

KERALA PSC / CHEMISTRY / APPLICATIONS OF SOME COMMON ORGANIC COMPOUNDS / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES

·      Benzene is a solvent for fats, resins etc…

·      Carbontetrachloride is used as a fire extinguisher

·      Aspirin is prepared from salicyclic acid

·      Oil of winter green contains methylsalicylate

·      Proteins are polypeptides

·      Retinol is a chemical name of Vitamine E

·      Nylon 66 is prepared from hexamethylene diamine and adipic acid

·      Tobacco is preserved from drying out in Glycerol.

·      Ethanol is also called grain alcohol

·      Woodspirit is known as methyl alcohol or methanol

·      Compounds of carbon, hydrogen and oxygen (C:H:O – 1:2:1) are called carbohydrates. Eg: sucrose, glucose, cellulose

·      The sweetest among the sugars is fructose (C₆H₁₂O₆) it is also called fruit sugar.

·      Honey is a mixture of equal amounts of glucose and fructose with 20% water

·      Grape sugar present in grapes is glucose

·      Sugar found in milk is lactose

·      Cane sugar or sucrose found in sugarcane or beetroot

·      Cellulose is the main constituent of most natural fibres

·      Insulin is hormone

·      Zymase is present in yeast

·      Protein is composed of carbon, hydrogen, nitrogen & oxygen

·      Cheese and Vinegar are made by fermentation.

 

KERALA PSC / CHEMISTRY / APPLICATIONS OF SOME COMMON ORGANIC COMPOUNDS / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES