Based on the video's explanation of gases, which of the following pairs is correct?
A. "Inflammable air" is Hydrogen; "Dephlogisticated air" is Oxygen.
B. "Inflammable air" is Nitrogen; "Dephlogisticated air" is Carbon Dioxide.
C. "Inflammable air" is Oxygen; "Dephlogisticated air" is Hydrogen.
D. "Inflammable air" is Helium; "Dephlogisticated air" is Nitrogen.
A. "Inflammable air" is Hydrogen; "Dephlogisticated air" is Oxygen.
According to Dalton, matter is made up of ______.
A. atoms
B. molecules only
C. energy waves
D. cells
A. atoms
What was Amedeo Avogadro’s nationality?
A. French
B. Italian
C. German
D. British
B. Italian
Bunsen and Kirchhoff used their spectroscope to discover two new elements. What were they?
A. Helium and Neon
B. Gold and Silver
C. Cesium and Rubidium
D. Radium and Polonium
C. Cesium and Rubidium
The idea that elements should be arranged based on __________ was central to his table.
A. color
B. atomic mass (weight)
C. magnetism
D. melting point
B. atomic mass (weight)
In 1898, the Curies discovered two new elements. What were they?
A. Uranium and Thorium
B. Radium and Polonium
C. Helium and Neon
D. Carbon and Nitrogen
B. Radium and Polonium
Before her work on DNA, Franklin conducted important research in France regarding the physical structure of:
A. Gold and Silver
B. Coal
C. Liquid Nitrogen
D. Plant cells
B. Coal
Lavoisier is famous for debunking which widely accepted theory of his time?
A. The Theory of Relativity
B. The Big Bang Theory
C. The Phlogiston Theory
D. The Germ Theory of Disease
C. The Phlogiston Theory
Where was John Dalton born in 1766?
A. London, England
B. Eaglesfield, England
C. Edinburgh, Scotland
D. Manchester, England
B. Eaglesfield, England
What is Avogadro’s number?
A. 6.02×1012
B. 6.02×1020
C. 6.02×1023
D. 6.02×1030
C. 6.02×1023
What was Robert Bunsen’s nationality?
A. British
B. French
C. German
D. American
C. German
What unusual method did Mendeleev use while working on the periodic table?
A. He memorized all elements daily
B. He used microscopes to observe atoms
C. He built physical metal models
D. He used playing cards to arrange elements
D. He used playing cards to arrange elements
Marie Curie was the first woman to win a Nobel Prize. In what year did she share her first Nobel Prize in Physics?
A. 1911
B. 1905
C. 1903
D. 1898
C. 1903
Besides DNA, Rosalind Franklin did groundbreaking work on which of the following?
A. Viruses structure
B. Bacteria structure
C. Proteins structure
D. Fungi structure
A. Viruses structure
What is the core principle of the "Law of Conservation of Mass" established by Lavoisier?
A. Matter is only created when heated intensely.
B. Matter is easily destroyed during chemical reactions.
C. Matter can neither be created nor destroyed; it only changes form.
D. Matter increases in mass when it is burned.
C. Matter can neither be created nor destroyed; it only changes form.
Before his work on atoms, Dalton gained recognition for his daily records and research in which field?
A. Marine Biology (Ocean)
B. Astronomy (Stars)
C. Botany (Plant)
D. Meteorology (Weather)
D. Meteorology (Weather)
What does Avogadro’s Law state?
A. Gas pressure depends only on temperature
B. Energy cannot be created or destroyed
C. Mass is conserved in chemical reactions
D. Equal volumes of gases contain equal numbers of particles at the same temperature and pressure
D. Equal volumes of gases contain equal numbers of particles at the same temperature and pressure
Which of the following was NOT one of Bunsen’s scientific achievements?
A. Improving laboratory burners
B. Developing spectroscopy methods
C. Discovering new chemical elements
D. Inventing the periodic table
D. Inventing the periodic table
What was Dmitri Mendeleev’s nationality?
A. German
B. Russian
C. French
D. British
B. Russian
Marie Curie became the first person in history to win two Nobel Prizes. In which field was her second prize (1911) awarded?
A. Chemistry
B. Physics
C. Medicine
D. Literature
A. Chemistry
Which important DNA image is Franklin best known for?
A. Photo 51
B. Photo 15
C. Image A
D. Figure 12
A. Photo 51
What was Antoine Lavoisier’s nationality?
A. British
B. German
C. American
D. French
D. French
John Dalton was one of the first scientists to provide a scientific description of which condition (which he also had)?
A. Asthma
B. Color Blindness
C. Dyslexia
D. Arthritis
B. Color Blindness
What was Amedeo Avogadro’s original profession before becoming a scientist?
A. Lawyer
B. Medical doctor
C. Engineer
D. Pharmacist
A. Lawyer
Who actually built the first practical Bunsen burner?
A. Robert Bunsen alone
B. Michael Faraday
C. Peter Desaga
D. Dmitri Mendeleev
C. Peter Desaga
Before Mendeleev proposed the periodic table, about how many elements had been discovered?
A. About 30 elements
B. About 45 elements
C. About 63 elements
D. About 100 elements
C. About 63 elements
Where was Marie Skłodowska Curie born?
A. Paris, France
B. Warsaw, Poland
C. London, England
D. Berlin, Germany
B. Warsaw, Poland
Franklin worked at which research institution when she made her key DNA discoveries?
A. Cambridge University
B. Harvard University
C. University of Oxford
D. King’s College London
D. King’s College London
Lavoisier observed that the mass increased after he burned which of the following substances?
A. Wood and paper
B. Phosphorus
C. Pure water
D. Dried leaves
B. Phosphorus
According to Dalton's theory, how do atoms of the same element compare to each other?
A. They have different sizes but the same mass.
B. They can change into atoms of other elements.
C. They are identical in mass and properties.
D. They vary depending on the temperature.
C. They are identical in mass and properties.
11. Which element on the periodic table was later named after Mendeleev?
A. Element 101
B. Element 107
C. Element 118
D. Element 58
A. Element 101
Which scientist's discovery of uranium rays initially sparked Marie Curie's interest in radiation research?
A. Albert Einstein
B. Isaac Newton
C. Ernest Rutherford
D. Henri Becquerel
D. Henri Becquerel
Rosalind Franklin’s research mainly focused on which type of scientific technique?
A. Genetic engineering
B. X‑ray crystallography
C. Electron microscopy
D. PCR amplification
B. X‑ray crystallography