Chemistry General Knowledge Questions Practice Question and Answer

Q:

The basis of classification of elements in modern periodic table is based on___.

1861 0

  • 1
    Atomic number
    Correct
    Wrong
  • 2
    Atomic mass
    Correct
    Wrong
  • 3
    Atomic volume
    Correct
    Wrong
  • 4
    Atomic density
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Atomic number "

Q:

Baking soda is 

1859 0

  • 1
    Sodium Sulphate
    Correct
    Wrong
  • 2
    Sodium Hydroxide
    Correct
    Wrong
  • 3
    Sodium Chloride
    Correct
    Wrong
  • 4
    Sodium Bicarbonate
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Sodium Bicarbonate "

Q:

Chemical structure of pearl is-

1842 0

  • 1
    Calcium carbonate
    Correct
    Wrong
  • 2
    Calcium carbonate and magnesium carbonate
    Correct
    Wrong
  • 3
    Calcium chloride
    Correct
    Wrong
  • 4
    Calcium sulfate
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Calcium carbonate and magnesium carbonate"

Q:

The atoms, in which the number of Protons is same but the number of neutrons is different, are known as – 

1827 0

  • 1
    Isotones
    Correct
    Wrong
  • 2
    Isotopes
    Correct
    Wrong
  • 3
    Isobars
    Correct
    Wrong
  • 4
    Isomers
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Isotopes"

Q:

What are the main components of Brass Alloy?

1814 0

  • 1
    Copper and Zinc
    Correct
    Wrong
  • 2
    Copper, Zinc and Nickel
    Correct
    Wrong
  • 3
    Copper and Strontium
    Correct
    Wrong
  • 4
    Copper and Nickel
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Copper and Zinc"

Q:

Lewis concept does explain the behaviour of __________

1810 0

  • 1
    Bases
    Correct
    Wrong
  • 2
    Salts
    Correct
    Wrong
  • 3
    Protonic acids
    Correct
    Wrong
  • 4
    Amphoteric substances
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Protonic acids"

Q:

The general name of the elements of 17th group are

1802 0

  • 1
    Metals
    Correct
    Wrong
  • 2
    Noble gases
    Correct
    Wrong
  • 3
    Transition elements
    Correct
    Wrong
  • 4
    Halogens
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Halogens"

Q:

What is the function of a catalyst in a chemical reaction?

1748 0

  • 1
    Decrease rate constant of reaction
    Correct
    Wrong
  • 2
    Increases activation energy of reaction
    Correct
    Wrong
  • 3
    Reduces enthalpy of reaction
    Correct
    Wrong
  • 4
    Does not affect the equilibrium constant of reaction
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Does not affect the equilibrium constant of reaction"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully