Which of the following is the hardest substance?

Related Mcqs:

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

   A. Tooth enamel B. Skull C. Knee cap D. Rib Submitted by: ABDUL HAYEE...

2. Which of the following is a substance?

   A. Sea water B. Brass C. Tape water D. Graphite E. Sand Submitted by: Mansoor Ul Haque...

3. Which of the following is the lightest substance?

   A. Uranium B. Hydrogen C. Oxygen D. Nitrogen Submitted by: Irfan...

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

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

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

   A. Promoter B. Activator C. Retarder D. Super catalyst Submitted by: Mansoor Ul Haque...

6. 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...

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. When sound waves travel from air to water which of the following quantities remains unchanged?

   A. Speed B. Frequency C. Intensity D. Wavelength Submitted by: Rashid Mehmood...

10. Which of the following is the study of micro- organisms, mostly viruses and single called organisms such as bacteria, yeasts and protozoa ?

    A. Microbiology B. Micrology C. Histopathology D. Tavelogy Submitted by: Rashid Mehmood...