Quiz 40 – Round 2 – Science and Nature

1. How many legs does a cockroach have?

6

2. What substance is manufactured using the ‘Haber process’?

Ammonia

3. ‘Dry ice’ is a term used for the frozen form of what?

Carbon dioxide

4. Which value on the pH scale indicates a neutral substance?

7

5. What is the name for the SI unit of force?

Newton

6. What is the chemical equation for ozone?

O₃

7. What is the most common metal to remain liquid at room temperature?

Mercury

8. ‘JPEG’ is a common file format for pictures and photographs, but what does it stand for?

Joint Photographic Experts Group

9. Similarly, another common file format for images is ‘PNG’ – what does this stand for?

Portable Network Graphics

10. On the human body, what is the name for the vertical groove between the nose and the upper lip?

Philtrum

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