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Chemistry Quiz Questions I

1. Only four elements are magnetic at room temperature, iron is one, can you name the other three?
2. Which chemical element has the lowest boiling point of all the elements?
3. Which gas, discovered in 1898, is used in car headlamps to produce adequate light immediately upon switching on?





4. Which chemist is known for isolating a series of substances for the first time, including potassium and sodium in 1807?
5. Which forces, named after a Dutch scientist, are distance dependent weak forces between atoms or molecules?
6. Name the chemical elements from the following synbols: (a)Sb, (b)K, (c)Ag, (d)W, and (e)Cf?
7. What is nitrous oxide more commonly known as?
8. Which Russian chemist published the first widely recognized periodic table in 1869?
9. By what name would we better know ethylene glycol?
10. Who was awarded the Nobel Prize for Chemistry in 1954 and the 1962 Nobel Peace Prize?
11. What is the common name for ascorbic acid?
12. Brass is a metal alloy made up of which two elements?
13. Bronze is principally an alloy of which two elemts?
14. Who's law states:'If an induced current flows, its direction is always such that it will oppose the change which produced it'?
15. What is the only letter not appearing on the Periodic Table?
16. Which metal as the highest melting point?

Answers:

1. Nickel, cobalt and gadolinium.
2. Helium
3. Xenon
4. Sir Humphry Davy
5. Van der Waals forces (or bonds)
6. (a)Antimony, (b)Potassium, (c)Silver, (d)Tungsten, and (e)Californium?
7. Laughing gas
8. Dmitri Mendeleev
9. Antifreeze
10. Linus Pauling (the only person to be awarded two unshared Nobel Prizes)
11. Vitamin C
12. Copper and zinc
13. Copper and tin
14. Lenz's Law
15. J
16. Tungsten

Quiz II

1. Name the only metal that is liquid at room temperature?
2. What is the common name for phenol?
3. Cobalamin may refer to several chemical forms of what vitamin?
4. What is the best known brand name of PTFE-based formulas?
5. What name is given fot the total number of protons and neutrons in an atomic nucleus?
6. What is the better name for the organic compound trichloromethane?
7. Which radioactive chemical element whas the chemical symbol 'Pu'?
8. What has the chemical formula H2SO4?
9. Which chemical element is named after the asteroid Pallas?
10. By what better name do we know Acetyl salicylic acid?
11. Which naturally-occurring organic compound with the formula CH2O is also known by the name methanal?
12. Which chemical element has the atomic number 2?
13. What is the more common name for deuterium oxide?
14. Ernest Rutherford, who became known as the father of nuclear physics, was born in which country?
15. Boyle's law is a gas law which states how the pressure of a gas increases as what property decreases?
16. What is defined as the number of atoms found in exactly 12 grams of carbon-12, where the carbon-12 atoms are unbound, at rest and in their ground state?

Answers:

1. Mercury
2. Carbolic acid
3. B12
4. Teflon
5. Mass number (or atomic mass number or nucleon number)
6. Chloroform
7. Plutonium
8. Sulfuric acid
9. Palladium
10. Aspirin
11. Formaldehyde
12. Helium
13. Heavy water
14. New Zealand
15. Volume
16. Mole