441. Non stick cooking utensils are coated with___?
✅ C. Teflon
Author: Aurangzeb – Page 23
442. Mach number is used in connection with the speed of______?
✅ D. aircraft
443. I am tired__waiting.
✅ B. Of
444. Who said that light is made of corpuscles/particles?
✅
445. The principal constituent of the atmosphere of the Earth is?
✅ D. Nitrogen
446. 1 BTU(British thermal unit) is equal to______?
✅ C. 1055 joules
447. The process of converting wet waste to manure is______?
✅ D. Composting
448. The main constituent of hemoglobin is______?
✅ A. Iron
449. Cell or Tissue death within a living body is called as_____?
✅ C. Necrosis
450. Elements are made of ____?
✅ B. Atoms