Which of the following correctly describes Water (H2O)?
Difficulty: Easy
About this MCQ
This Easy Science and Inventions question asks: Which of the following correctly describes Water (H2O)? The correct choice is B. The chemical compound made of two hydrogen atoms and one oxygen atom. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
Science and Inventions items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Science and Inventions so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.
Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next Science and Inventions item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.
- A. The inventor credited with patenting the first practical telephone
Why not A: “The inventor credited with patenting the first practical telephone” does not fit this question. The answer is The chemical compound made of two hydrogen atoms and one oxygen atom.
- B. The chemical compound made of two hydrogen atoms and one oxygen atom ✓
- C. The physicist who developed the theory of relativity
Why not C: “The physicist who developed the theory of relativity” does not fit this question. The answer is The chemical compound made of two hydrogen atoms and one oxygen atom.
- D. The naturalist who proposed the theory of evolution by natural selection
Why not D: “The naturalist who proposed the theory of evolution by natural selection” does not fit this question. The answer is The chemical compound made of two hydrogen atoms and one oxygen atom.
Correct answer
B. The chemical compound made of two hydrogen atoms and one oxygen atom
Explanation
The chemical compound made of two hydrogen atoms and one oxygen atom is the term that matches “Which of the following correctly describes Water (H2O)” (option B). Option A (The inventor credited with patenting the first practical telephone) does not fit this question. Option C (The physicist who developed the theory of relativity) does not fit this question. Option D (The naturalist who proposed the theory of evolution by natural selection) does not fit this question. For this Science and Inventions question, the accepted answer is The chemical compound made of two hydrogen atoms and one oxygen atom.
Source: General Knowledge Official Reference Guide
Tags: FPSC, PPSC, General Knowledge, NTS, Science and Inventions
Submitted by: MCQsHub Editorial
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