15. How many amino acids are essential for human life? 20 amino acids
16. Normal body temperature in °C?
37°C
17. Normal body temperature in °F?
98.6°F
18. Boiling point of water in °C?
100°C
19. Boiling point of water in °F?
212°F
20. 0°K is equal to °C? -273°C
21. The term Amphoteric means?
A substance that can act as both a base & acid
22. What is Kelvin based around?
Absolute zero
23. A compound that is a Hydrogen or proton donor, corrosive to metals, causes blue litmus
paper to become red and becomes less acidic when mixed with a base is? Acid
24. Mixture of 2 or more metals are?
Alloys
25. Acids:
• pH less than 7.0
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