“Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statements shows that _______________?

Related Mcqs:

1. Permanent hardness of water can be removed by adding __________?

   A. Chlorine
   B. Washing soda
   C. Bleaching powder
   D. None of these

   Submitted by: Fahad Mehsud

2. Urine is produced in __________?

   A. Kidneys
   B. Lungs
   C. Large intestine
   D. Liver

3. Sodium carbonate is produced by____________?

   A. haber process
   B. Amonia solvay process
   C. decons process
   D. lead chamber process

   Submitted by: Ayesha zameer

4. Color of the glow produced in the discharge tube:

   A. depends on the pressure in the discharge tube
   B. depends on the metal used as cathode
   C. depends on the gas used in the discharge tube
   D. does not depend on the nature of the gas used in the discharge tube

   Submitted by: Mansoor Ul Haque

5. An element that does not occur in nature but can be produced artificially is__________?

   A. Plutonium
   B. Uranium
   C. Radium
   D. Thorium

   Submitted by: WIQAR AHMAD

6. The atmospheric greenhouse effect is produced mainly by the __________________?

   A. Absorption and re-emission of visible light by the atmosphere
   B. Absorption and re-emission of ultraviolet radiation by the atmosphere
   C. Absorption and re-emission of infrared radiation by the atmosphere
   D. Absorption and re-emission of visible light by clouds
   E. Absorption and re-emission of visible light by the ground

   Submitted by: Mansoor Ul Haque

7. Trypsin is an enzyme which digests protein produced by_____________?

   A. Liver
   B. Pancreas
   C. Stomach
   D. Small intestine

   Submitted by: Mansoor Ahmed Suhag

8. Red blood cells are produced in_________?

   A. Liver
   B. Heart
   C. Spleen
   D. Bone-marrow

   Submitted by: Farhan Rana

9. In fireworks,the green flame is produced because of __________?

   A. Sodium
   B. Barium
   C. Mercury
   D. Potassium

   Submitted by: Fahad Mehsud

10. Rain drops fall from great height Which among the following statements is true regarding it?

    A. they fall with that ultimate velocity, which are different for different droplets
    B. they fall with same ultimate velocity
    C. their velocity increases and they fall with different velocity on the earth
    D. their velocity increases and they fall with same velocity on the earth

    Submitted by: Abid Hussain