Question

Write True Or false
1. Graphite is used as a lubricant in machinery.
2. Carbon dioxide is collected by the downward displacement of air.
3. Carbon dioxide is acidic in nature.
4. Carbon monoxide combines with the haemoglobin in the red blood cells of our body to form
carboxyhaemoglobin.​

Answer 1

Answer:

• false
• true
• false
• true

Explanation:

(✯ᴗ✯)

Answer 2

Answer:

1- True

2- False (by upward displacement of air)

3- True

4- True

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