OnlineCBT
Chemistry · Some Basic Concepts of Chemistry
हिन्दीConsider the following statements regarding the classification of matter: (A) Air is a homogeneous mixture. (B) Glucose contains carbon, hydrogen, and oxygen in a fixed ratio and is classified as a pure substance. (C) The components of a homogeneous mixture are visible distinctly with the unaided eye. (D) Pure substances can have variable composition depending on their preparation method. How many of the above statements are correct?
Correct answer · Option 2
Only two
Explanation
Statements (A) and (B) are correct. (C) is incorrect (components are uniformly mixed and not visibly separated). (D) is incorrect (pure substances have strictly fixed composition). Thus, only two statements are correct.
