What is the chemical formula for sodium hydroxide?

Which moon of Saturn is known for its geysers of water vapor erupting from its icy surface?

What is the powerhouse of the cell, responsible for energy production?

Which of the following is a type of igneous rock that forms from the cooling and solidification of lava on the Earth's surface?

Which type of reaction involves the combination of two or more substances to form a new substance?

What is the closest star to Earth?

What is the name of the phenomenon where a small fraction of sunlight is redirected by Earth's atmosphere, causing the sky to appear blue?

What is the term for the process by which a star exhausts its nuclear fuel, expands, and then contracts, expelling its outer layers into space?

Which element is essential for organic compounds but is not found in inorganic compounds?

Which of the following is an example of a homogeneous mixture?