🔬 Science Trivia

Quiz Set 7 — Chemistry

Answer all 10 questions. Click an option to see if you got it right!

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Question 1 of 10

What is the term for animals that eat only plants?

Herbivores consume only plant matter for nutrition.
Question 2 of 10

What planet is known as the Red Planet?

Mars appears red due to iron oxide (rust) on its surface.
Question 3 of 10

What is the unit of frequency?

The Hertz (Hz) measures frequency — one cycle per second.
Question 4 of 10

What is the main component of natural gas?

Methane (CH4) makes up 70–90% of natural gas.
Question 5 of 10

What is the process of nuclear fusion?

Nuclear fusion combines light atomic nuclei to form heavier ones, releasing energy.
Question 6 of 10

Which vitamin helps blood clotting?

Vitamin K is essential for the synthesis of clotting factors in the blood.
Question 7 of 10

What is the speed of sound in air at sea level?

Sound travels at approximately 343 meters per second in air at 20°C.
Question 8 of 10

What is a solute?

A solute is the substance dissolved in a solvent to form a solution.
Question 9 of 10

Which organelle is responsible for protein synthesis?

Ribosomes are the molecular machines that translate mRNA into proteins.
Question 10 of 10

What phenomenon explains why the sky is blue?

Rayleigh scattering causes shorter blue wavelengths of light to scatter more in the atmosphere.