Q. Charles Goodyear is known for which of the following?
✅ Correct Answer: (B)
Vulcanization of Rubber
General Science MCQs and Notes
Q. British Scientist JJ Thomson was awarded Nobel prize in Physics in 1906 for discovery of which of the following particle?
✅ Correct Answer: (A)
Electron
Q. Who among the following is known to manufacture first Cyclotron?
✅ Correct Answer: (A)
Ernest Lawrence
Q. The volume of a gas at a given pressure and temperature is proportional to the number of atoms or molecules regardless of the nature of the gas. This concept is called as___?
✅ Correct Answer: (A)
Avogadro‘s law
Q. F block elements in the periodic table which are commonly called Lanthanides have the following atomic numbers:
✅ Correct Answer: (B)
58-71
Q. Which among the following basic atoms are must in an Alkaloid?
✅ Correct Answer: (B)
Nitrogen
Q. Bring out the statement which is wrong:
✅ Correct Answer: (D)
All are correct
Q. Which among the following will undergo a chemical reaction depending on the pH of the solution?
✅ Correct Answer: (B)
Zinc Oxide
Q. Which among the following is used as an antidote?
✅ Correct Answer: (D)
Activated Charcoal
Q. Which among the following compound of barium is used as radio contrast agent for X-ray imaging and other diagnostic procedures and also commonly called as Barium Food?
✅ Correct Answer: (B)
Barium Sulphate