A substance which increases the efficiency of a catalyst is termed as:

Related Mcqs:

1. The metal that is used as a catalyst in the hydrogenation of oils is _______?

   A. Ni
   B. Pb
   C. Cu
   D. Pt

   Submitted by: Malik Asghar Hussain

2. The most densest substance on the Earth is __________.

   A. Platinum
   B. Copper
   C. Steel
   D. Osmium

3. Which of the following is a substance?

   A. Sea water
   B. Brass
   C. Tape water
   D. Graphite
   E. Sand

   Submitted by: Mansoor Ul Haque

4. The property of a substance to absorb moisture from the air on exposure is called____________?

   A. osmosis
   B. deliquescence
   C. efflorescence
   D. desiccation

   Submitted by: WIQAR AHMAD

5. Which of the following is the hardest substance?

   A. Copper
   B. Diamond
   C. Iron
   D. Silicon

   Submitted by: ABDUL HAYEE

6. Which is the hardest substance in the human body?

   A. Tooth enamel
   B. Skull
   C. Knee cap
   D. Rib

   Submitted by: ABDUL HAYEE

7. Substance used in match sticks ?

   A. Sulphur
   B. Zinc
   C. Acid
   D. Phosphorus

   Submitted by: Mansoor Ahmed Suhag

8. Substance whose atoms can be split are known as __________ materials.

   A. Fusionable
   B. Fissionable
   C. Combustible
   D. None of these

   Submitted by: Rashid Mehmood

9. Which of the following is the lightest substance?

   A. Uranium
   B. Hydrogen
   C. Oxygen
   D. Nitrogen

   Submitted by: Irfan

10. The difference in the duration of day and night increases as one moves from:_________?

    A. West to East
    B. East and west of the prime meridian
    C. Equator to poles
    D. None of these

    Submitted by: SHAFQAT ALI SIYAL