Substance used in match sticks ?

Related Mcqs:

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

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

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. 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...

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 whose atoms can be split are known as __________ materials.

   A. Fusionable B. Fissionable C. Combustible D. None of these Submitted by: Rashid Mehmood...

8. Which of the following is the lightest substance?

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

9. 1 BTU(British thermal unit) is equal to___________?

   A. 955 joules B. 990 joules C. 1055 joules D. 1211 joules Submitted by: Farjan Ahmed Soomro...

10. What is the number of known crystalline phases of water ________?

    A. 4 B. 8 C. 17 D. 18 Submitted by: Rashid Mehmood...