Chemistry | Category

Pub quiz question 9248 by pjh

Pub quiz question 332 by pjh2

Question: Q: Name the elements in the nitrogen group (group 15) in the periodic table up to element 83.
Answer: A: Nitrogen, phosphorus, arsenic, antimony, bismuth
Categories: MultiAnswer5 (6) Chemistry (6)

Pub quiz question 6668 by pjh2

Question: Q: What product that takes its name from a farm animal is a step along the way from iron ore to cast iron?
Answer: A: Pig iron
Categories: Science (4) Chemistry (4)

Pub quiz question 5240 by pjh2

Pub quiz question 6563 by pjh2

Pub quiz question 6362 by pjh2

Pub quiz question 7957 by pjh

Question: Q: What links: O (65%); C (18%); H (10%); N (3%); Ca (1.5%); P (1.1%)?
Answer: A: Chemical composition of the average human (% by mass).
Categories: Connections (7) Chemistry (7) Biology (6)

Pub quiz question 5308 by pjh2

Pub quiz question 5793 by pjh2

Question: Q: Why is the protein Titin so special?
Answer: A: It's the largest known protein
Notes: *: When written as a chemical name, contains 189,819 letters. Formula: C132983H211861N36149O40883S693
Categories: Chemistry (6) Science (6) Biology (6)

Pub quiz question 6035 by pjh2

Question: Q: Which gas needed by green plants is released into the atmosphere by animals during respiration?
Answer: A: Carbon Dioxide
Categories: Chemistry (2) Biology (2) Science (2) Nature (2)