Intrinsic Semi-conductor is also known as__________?

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1. Calcium sulphate is known as__________?

   A. Epsom salt B. Gypsum salt C. Blue vitriol D. Potash alum Submitted by: ABDUL HAYEE...

2. Almost identical eclipses occur after 18 years and 11 days. This cycle is known as__________?

   A. Partial Eclipse cycle B. Total Eclipse Cycle C. Saros Cycle D. None of the above Submitted by: Ozeak Malik...

3. Vitamin B3 is also known as__________?

   A. Thiamine B. Riboflavin C. Niacin D. Retinol Submitted by: Irum perveen...

4. Which from the following is NOT a conductor?

   A. Aluminium B. Gold C. Graphite D. All are conductors...

5. Which is least Conductor of Electricity among the following?

   A. Wood B. Copper C. Iron D. Water Submitted by: Mian Jamil Shah...

6. Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?

   A. ionic substances B. metallic substances C. molecular solids D. covalent network solids Submitted by: Mansoor Ul Haque...

7. Which metal is pure conductor of electricity?

   A. Copper B. Gold C. Silver D. lead Submitted by: Wajahat Ali...

8. Which one of the following non-metals is not a poor conductor of electricity?

   A. Sulphur B. Selenium C. Bromine D. Phosphorus Submitted by: Sufi Mukhtiyar...

9. The best conductor of heat among liquid is___________?

   A. Water B. Mercury C. Ether D. Alcohol Submitted by: Fahad Mehsud...

10. Which of the following is good conductor of heat but bad conduct of electricity?

    A. Aluminium B. Titanium C. Abestos D. Mica Submitted by: Abid Hussain...