Question

G. Give reasons for the following 1. Air is called a mixture of gases. 2. Air is important for living beings. 3. When you exhale in a test tube containing fresh lime, it turns it milky 4. Carbon dioxide is used in fire extinguishers. 5. Oxygen cylinder is required by mountain climbers.
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Answer 1

Answer:

for 1

Explanation:

air is called mixture of gases because it is mixture not a compund