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Chemistry · Some Basic Concepts of Chemistry

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The International System of Units (SI) was officially established at which General Conference on Weights and Measures (CGPM)?

  1. 1st CGPM
  2. 8th CGPM
  3. 14th CGPM
  4. 11th CGPM

Correct answer · Option 4

11th CGPM

Explanation

The SI system was established by the 11th General Conference on Weights and Measures (CGPM) in 1960.

Related questions

Consider 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?→What defines a limiting reagent in a chemical reaction?→According to the convention for rounding off numbers, if the rightmost digit to be removed is \( 5 \), followed by no other digits, which of the following pairs are correctly rounded off to two significant figures?→Which of the following physical quantities is an SI base quantity, along with its correct standard SI unit symbol?→
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