Navigate

Question Detail

The ejection of electrons when a metal surface is irradiated is known as

  • Black body radiation
  • Photoelectric effect
  • Zeeman effect
  • Atomic spectrum

Answer: Option B

Similar Questions :

1. The single acid which dissolves gold is ?

  • Aqua regia
  • Hydrochloric acid
  • Nitric acid
  • Selenic acid

Answer: Option A

2. Natural rubber is a polymer derived from ?

  • ethylene
  • propylene
  • isoprene
  • butadiene

Answer: Option C

3. The high reactivity of fluorine is due to ?

  • small size of fluorine atom
  • its high electro negativity
  • availability of d-orbitals
  • strong F - F bond

Answer: Option B

4. Atomic number of an element gives

  • the number of nucleons in its atom
  • the number of electrons in its atom
  • the weight of the atom of the element
  • the total number of elementary particles in its atom

Answer: Option B

5. Homo nuclear molecules contain ?

  • polar bond
  • covalent bond
  • ionic bond
  • coordinate bond

Answer: Option B

Read more from - Chemistry Questions Answers