Which variety of glass is heat resistant?

Related Mcqs:

1. The variety of coal in which the deposit contains recognizable traces of the original plant material is____________?

   A. bitumen
   B. anthracite
   C. lignite
   D. peat

   Submitted by: WIQAR AHMAD

2. A glass chimney stops an oil lamp from smoking because:

   A. It increases the supply of oxygen to the flame by convection
   B. The heat produced ensures complete
   C. Both to these
   D. Neither of these

   Submitted by: hamza

3. Glass is made of the mixture of______________?

   A. Quartz and Mica
   B. Sand and Salt
   C. Sand and Silicates
   D. None of these

   Submitted by: Jack Sparrow

4. The type of glass used in making lenses and prism is___________?

   A. Pyrex glass
   B. jena glass
   C. Flintglass
   D. Soft glass

   Submitted by: Asad Ullah Afridi

5. Which of the following cannot be stored in glass bottle?

   A. Aqua regia
   B. HF
   C. HCL
   D. HBr

   Submitted by: MUHAMMAD ALI

6. Which one of the following of glass can cut ultraviolet rays?

   A. Jena Glass
   B. Soda Glass
   C. Pyrex Glass
   D. Crookes Glass

   Submitted by: Parvez Malik

7. The hard, solid rocks, whose composition or texture has been changed by heat or pressure in the Earth are called____________?

   A. Sedimentary rocks
   B. Metamorphic rocks
   C. Igneous rocks
   D. All of the above

   Submitted by: Mansoor Ul Haque

8. During which process does heat transfer occur because of density differences__________?

   A. Convection 
   B. Radiation
   C. Conduction
   D. None of these

   Submitted by: Rida

9. The gas heater gives us heat by __________?

   A. Radiation
   B. Conduction
   C. Convection
   D. Environmental pressure

   Submitted by: Mansoor Ahmed Suhag

10. If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?

    A. Annealing
    B. Quenching
    C. Tempering
    D. Nitriding

    Submitted by: Muhammad Ali Kunbhar