Chemistry Quiz
Q1. Which one is a naturally occuring noble gas
(a) Sodium
(b) Potassium
(c) Argon
(d) Boron
Answer: (c) Argon
Q2. How many electrons in a Hydrogen atom
(a) One
(b) Two
(c) Three
(d) Four
Answer: (a) One
Q3. Which one is a soluble salt in H2O
(a) CuS
(b) Zn(OH)2
(c) CaCl2
(d) PbCl2
Answer: (c) CaCl2
Q4. Who first published the periodic table
(a) John Dalton
(b) Julius Lothar Meyer
(c) Henry Moseley
(d) Dmitri Mendeleev
Answer: (d) Dmitri Mendeleev
Q5. Atomic number is the number equal to
(a) Protons
(b) Electrons
(c) Neutrons
(d) None of the above
Answer: (a) Protons
Q6. Who is known as the 'father of modern chemistry'
(a) John Dalton
(b) Robert Boyle
(c) Antoine Lavoisier
(d) Democritus
Answer: (c) Antoine Lavoisier
Q7. What is the atomic number of Oxygen
(a) 5
(b) 8
(c) 12
(d) 22
Answer: (b) 8
Q8. Which one element from below list is liquid at room temperature
(a) Zinc
(b) Argon
(c) Lead
(d) Bromine
Answer: (d) Bromine
Q9. Liquid Nitrogen boils at
(a) 77 kelvin
(b) 82 Kelvin
(c) 54 kelvin
(d) 97 Kelvin
Answer: (a) 77 kelvin
Q10. Total number of elements in the Periodic table
(a) 112
(b) 115
(c) 118
(d)127
Answer: (c) 118
Q11. Total number of naturally occurring elements
(a) 62
(b) 92
(c) 98
(d) 110
Answer: (b) 92
Q12. How many neutrons does iron have
(a) 8
(b) 13
(c) 26
(d) 30
Answer: (d) 30
Q13. Which one is the lightest element in the periodic table
(a) Hydrogen
(b) Helium
(c) Oxygen
(d) Carbon
Answer: (a) Hydrogen
Q14. Which one is heaviest naturally-occurring element of the periodic element
(a) Iron
(b) Thorium
(c) Rhodium
(d) Uranium
Answer: (d) Uranium
Q15. Which one is the simplest form of alkane
(a) Propane
(b) Butane
(c) Methane
(d) Decane
Answer: (c) Methane
Practice Test Exam