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Chemical formula

Example: Balanced Chemical Equations with Subscripts Water: $$\ce{H2O}$$ Carbon dioxide: $$\ce{CO2}$$ Iron(III) hydroxide (Rust reaction): $$\ce{4Fe + 3O2 + 6H2O -> 4Fe(OH)3}$$ Copper(II) sulfate pentahydrate: $$\ce{CuSO4 * 5H2O}$$ Chemical Formulas in Chemistry Chemical formulas are the symbolic representations of chemical substances. They show the elements present in a compound and the ratio in which the atoms of these elements combine. Chemical formulas are essential for understanding the composition, structure, and behavior of compounds in chemical reactions. 1. What is a Chemical Formula? A chemical formula uses symbols of elements and numerical subscripts to represent the composition of a substance. For example, the formula for water is: $$ \ce{H2O} $$ This indicates that each water molecule is made up of 2 atoms of hydrogen and 1 atom of oxygen. 2. Types of Chemical Formulas Empirical Formula Molecular Formula Structural Formula...

Today's word exploration

English words that are commonly found in reputable newspapers like The Hindu, along with their Hindi meanings and examples of how they might be used in a news context. These words are generally considered advanced vocabulary and are frequently used in editorial pieces, analytical articles, and reports.

Here are some examples:

**1. ** Conjecture
 * Hindi Meaning: अनुमान, अटकल (Anumaan, Atakal)
 * News Context: "The report was based on conjecture rather than concrete evidence."
 * Explanation: An opinion or conclusion formed on the basis of incomplete information.

**2. ** Ubiquitous
 * Hindi Meaning: सर्वव्यापी, हर जगह मौजूद (Sarvavyaapi, Har jagah maujood)
 * News Context: "In the digital age, smartphones have become ubiquitous."
 * Explanation: Present, appearing, or found everywhere.

**3. ** Ostensible
 * Hindi Meaning: प्रत्यक्ष, दिखावटी (Pratyaksh, Dikhavati)
 * News Context: "The ostensible reason for the meeting was to discuss budget cuts, but the real agenda was different."
 * Explanation: Stated or appearing to be true, but not necessarily so.

**4. ** Venerable
 * Hindi Meaning: पूजनीय, आदरणीय (Pujaniya, Aadarniya)
 * News Context: "The venerable institution celebrated its centenary year."
 * Explanation: Accorded a great deal of respect, especially because of age, wisdom, or character.

**5. ** Inadvertently
 * Hindi Meaning: अनजाने में, असावधानी से (Anjaane mein, Asaavdhaani se)
 * News Context: "He inadvertently disclosed confidential information during the press conference."
 * Explanation: Without intention; accidentally.

**6. ** Delineate
 * Hindi Meaning: चित्रित करना, स्पष्ट करना (Chitrit karna, Spasht karna)
 * News Context: "The new policy aims to delineate the responsibilities of various departments."
 * Explanation: Describe or portray (something) precisely.

**7. ** Pernicious
 * Hindi Meaning: हानिकारक, विनाशकारी (Haanikarak, Vinaashkaari)
 * News Context: "The pernicious effects of pollution on public health are widely recognized."
 * Explanation: Having a harmful effect, especially in a gradual or subtle way.

**8. ** Epitome
 * Hindi Meaning: प्रतिरूप, सारांश (Pratiroop, Saraansh)
 * News Context: "She is considered the epitome of grace and professionalism."
 * Explanation: A perfect example of a particular quality or type.

**9. ** Salient
 * Hindi Meaning: मुख्य, प्रमुख (Mukhya, Pramukh)
 * News Context: "The report highlighted the salient features of the economic reform."
 * Explanation: Most noticeable or important.

**10. ** Proclivity
 * Hindi Meaning: प्रवृत्ति, झुकाव (Pravritti, Jhukaav)
 * News Context: "His proclivity for risk-taking often led to both success and failure."
 * Explanation: A tendency to choose or do something regularly; an inclination or predisposition.


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