Question

1. Classify the followings as elements and compounds.
a. Water
b. Nitrogen
c. Calcium chloride
d. Potassium
e. Carbon dioxide

Answer 1

Answer:

water is a very important compound for humans

Explanation:

nitrogen is a ha which is most in our atmosphere

Answer 2

1. Water- Compound
2. Nitrogen- Element
3. Calcium Chloride- Compound
4. Potassium- Element
5. Carbon dioxide- Compound

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