Tall oil obtained as a by-product from the black liquor recovery is________________?

Related Mcqs:

1. Black liquor is converted into white liquor by __________________________?

   A. Evaporation and burning the concentrate followed by causticisation of products B. Multi-effect evaporation only C. Selective liquid extraction D. Extractive distillation...

2. The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to___________________?

   A. Avoid mechanical weakening of fibre B. Remove lignin by way of crystallisation C. Increase the cellulose content D. None of these...

3. The major constituent of black liquor generated during paper manufacture is sodium___________________?

   A. Sulphate B. Carbonate C. Hydroxide D. Bi-carbonate...

4. Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its________________?

   A. Poor oxidation stability and high gum forming tendency B. Greater tendency of decomposition at elevated temperature C. Hydrolysis tendency in presence of water D. All A, B. and C...

5. In Kraft process of paper manufacture, white cooking liquor consists of caustic soda________________?

   A. Sodium sulphide & sodium carbonate B. Sodium sulphite & sodium carbonate C. Sodium sulphite & sodium sulphide D. None of these...

6. Bromides contained in hot mother liquor is treated with ______________ during manufacture of bromine from sea water ?

   A. SO3 B. Cl2 C. NH3 D. SO2...

7. Cooking liquor in case of sulphite process is _____________________?

   A. Sodium sulphite and sodium bisulphite B. Magnesium sulphite and free SO2 in acid medium C. Magnesium sulphate and magnesium bicarbonate D. None of these...

8. Liquor poisoning generally occurs due to the presence of _________________ in it ?

   A. Ethyl alcohol B. Impurities C. Methyl alcohol D. Carbonic acid...

9. Which of the following is the main constituent of the mother liquor produced in salt industry ?

   A. Quick lime B. Glauber’s salt C. Salt petre D. Bromine...

10. Pick out the wrong statement. Iodine value of an oil or fat is________________?

    A. The number of grams of iodine taken up by 100 gm of oil or fat B. A measure of its unsaturation C. Helpful in findings its adulteration & its suitability for making soap D. Independent of the type of oil, whether it is drying or non-drying...