🔬 Science Trivia
Quiz Set 12 — Chemistry
Answer all 10 questions. Click an option to see if you got it right!
Question 1 of 10
What is osmosis?
Osmosis is the diffusion of water through a semipermeable membrane.
Question 2 of 10
What is the unit of electric current?
The ampere (A) is the SI unit of electric current.
Question 3 of 10
What is the greenhouse effect?
The greenhouse effect occurs when atmospheric gases trap solar heat.
Question 4 of 10
What element is the primary component of diamonds?
Diamonds are pure carbon atoms arranged in a crystal lattice structure.
Question 5 of 10
What is the term for the amount of matter in an object?
Mass measures the amount of matter in an object, independent of gravity.
Question 6 of 10
Who proposed the heliocentric model of the solar system?
Nicolaus Copernicus proposed in 1543 that the Sun is at the center of the solar system.
Question 7 of 10
What type of cell division produces gametes?
Meiosis produces sex cells (gametes) with half the normal chromosome number.
Question 8 of 10
What is the most reactive group of elements?
Alkali metals (Group 1) are extremely reactive, easily losing their single outer electron.
Question 9 of 10
What is the term for the bending of waves around obstacles?
Diffraction is the bending and spreading of waves around corners and obstacles.
Question 10 of 10
What is the pH range of acids?
Acids have a pH below 7; pure water is neutral at 7; bases are above 7.
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