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Questions and Answers
What is chemistry?
What is chemistry?
- The study of outer space
- The study of living organisms
- The study of matter and the changes it undergoes (correct)
- The study of computer science
Why is a basic understanding of chemistry important for subjects like biology?
Why is a basic understanding of chemistry important for subjects like biology?
- To explore the ocean ecosystems
- To understand the behavior of animals
- To study the solar system
- To comprehend chemical reactions within living organisms (correct)
What did Leucippus and Democritus infer about all living and inanimate things?
What did Leucippus and Democritus infer about all living and inanimate things?
- That everything is made of water
- That everything is composed of indivisible and invisible particles called atoms (correct)
- That everything is made of air
- That everything is made of energy
What is matter?
What is matter?
Why does chemistry affect all aspects of life?
Why does chemistry affect all aspects of life?
What is the process of the movement or flow of matter from a region of lower concentration to a region of higher concentration through a semi-permeable membrane?
What is the process of the movement or flow of matter from a region of lower concentration to a region of higher concentration through a semi-permeable membrane?
Who discovered the phenomenon of Brownian motion?
Who discovered the phenomenon of Brownian motion?
According to John Dalton's Atomic Theory, what is the nature of matter?
According to John Dalton's Atomic Theory, what is the nature of matter?
Who identified the negatively charged electron in the cathode ray tube in 1897?
Who identified the negatively charged electron in the cathode ray tube in 1897?
Which scientist observed that rays emerged at right angles from the cathode and traveled in a straight line, and were deflected by an electrostatic field away from the negative plate?
Which scientist observed that rays emerged at right angles from the cathode and traveled in a straight line, and were deflected by an electrostatic field away from the negative plate?
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