Interesting Facts About Science - 007 #science #sciencefacts #compete4exams #eduvictors
Interesting Facts About Science - 007
1. Most common function of a diode is to allow an electric current to pass in one direction, while blocking current in the opposite direction.
2. Microwave was discovered in 1864 by James Clerk Maxwell.
3. Time is the fundamental quantity.
4. Due to surface tension the needle of iron swims on water surface when it is kept gently.
5. 11 km/sec is the minimum escape velocity of rocket to be launched into space.
6. Energy is always released when a chemical bond is formed.
7. Apples have malic acid, a type of weak organic acid.
8. Most of the biochemical reactions taking place in our body are in a narrow pH range of 7.0 to 7.8.
9. The discovery of hydrogen is credited to Henry Cavendish in 1766, although it had been isolated as early as 1671 by Robert Boyle.
10. Anthracite coal produces the maximum amount of heat per unit.
11. Penicillin is extracted from fungus.
12. Antigen in an ill person prevents the growth of bacteria.
13. Blood platelets helps in clotting of blood. Platelets will clot (clump together) to plug the hole in the blood vessel and stop the bleeding
14. Boron increases the absorption of water and calcium in plants.
15. Ampicillin is a large spectrum antibiotic. It is used to treat or prevent many different types of infections such as bladder infections, pneumonia, gonorrhea, meningitis, or infections of the stomach or intestines.
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