4481. Hydrogen peroxide (H2O2)____?
✅ A. is poisonous to tissues
Everyday Science MCQs – Page 225
4482. What is the name of the gas used in an air conditioner?
✅ C. Freon
4483. The Shortest (smallest) bone in human body is______?
✅ B. Stapes
4484. The Stevenson screen contains all of these EXCEPT:
✅ D. Anemometer
4485. Frozen dew is also known as___?
✅ A. Black ice
4486. The pancreas secrets______?
✅ B. Insulin
4487. lightest metal is_____?
✅ B. Lithium
4488. Water is 50 times more viscous than _______ ?
✅ C. Gases
4489. The variety of coal in which the deposit contains recognizable traces of the original plant material is_______?
✅ D. peat
4490. Electron was discovered by?
✅ D. J.J Thomson
4491. Periodontics deals with ________?
✅ D. Dentistry
4492. A moderator is used in nuclear reactor in order to ?
✅ A. Slow down the speed of the neutrons
4493. 746 watts are equivalent to________?
✅ C. 1HP
4494. Sericulture is the study of which discipline ?
✅ B. silk production
4495. Which of the following are the ingredients of gun metal?
✅ D. Copper, Tin and Zinc
4496. The most dense and heaviest planet is______?
✅ A. Earth
4497. When a warm air is lifted off the surface in temperature depression it is called ___?
✅ B. An occlusion
4498. The large dark patches on the Moon’s surface are known as______?
✅ A. Maria, or seas, even though there is no water on the Moon
4499. NASA scientists have recently detected water vapor on which Jupiter’s moon?
✅ A. Europa
4500. Vitamin A is found in the_______?
✅