Which of the following is a constituent of coffee ?

Related Mcqs:

1. Which one of the following is not likely to be a constituent of vegetable oils ?

   A. Citric acid
   B. Oleic acid
   C. Stearic acid
   D. Glycerol

2. Which of the following has sodium bicarbonate as its main constituent ?

   A. Baking soda
   B. Baking powder
   C. Washing soda
   D. None of these

3. 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

4. Which of the following is a constituent of vinegar ?

   A. Around 10% alcohol
   B. Around 1% acetic acid
   C. Both A. and B.
   D. Neither A. nor B.

5. The basic constituent of vegetable oils is ___________________?

   A. Triglyceride
   B. Fatty acids
   C. Fatty alcohol
   D. Mono esters

6. ________________ acid is the main constituent of cotton seed oil ?

   A. Acetic
   B. Linoleic
   C. Palmitic
   D. Oleic

7. Main constituent of dolomite is __________________?

   A. CaCO3
   B. MgCO3
   C. K2CO3
   D. Na2CO3

8. Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is___________________?

   A. 0.14
   B. 0.34
   C. 0.94
   D. 1.4

9. ________________ is the major constituent of the Portland cement?

   A. Calcium carbonate
   B. Calcium oxide
   C. Tricalcium silicate
   D. Calcium sulphate

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

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