Answer:
A molecule of the kind normally found in living systems.
Organic molecules are usually composed of carbon atoms in rings or long chains, to which are attached other atoms of such elements as hydrogen, oxygen, and nitrogen.
Explanation:
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Answer:
A. Any substance with a pH above 7.
Explanation:
On the pH scale substances whose value is greater than 7 and less than 14 are termed alkali.
Acids have a pH of less than 7 whereas neutral compounds such as water has pH of 7.
- An alkali is any substance that produces excess hydroxyl ion in solutions.
- Water soluble bases are known as alkali.
- They are usually certain metallic oxides, metallic hydroxides and aqueous ammonia.
100. Centi means a hundred.
