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Indian Navy AA (Artificer Apprentice) Some Basic Concepts of Chemistry — practice questions

Explore 25 free Some Basic Concepts of Chemistry questions in Indian Navy AA (Artificer Apprentice) Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Some Basic Concepts of Chemistry questions and exercises with answers

Showing questions 1–25 of 25.

As per your syllabus, who proposed AVOGADRO'S LAW (1811) — that equal volumes of all gases at the same T and P contain equal numbers of molecules?Read the answer and worked solution →Match each scientist to their contributionRead the answer and worked solution →Ionic or covalent?Read the answer and worked solution →Complete the driver of bond formationRead the answer and worked solution →Single, double and triple bondsRead the answer and worked solution →True or false: Lewis structuresRead the answer and worked solution →Complete the definition of resonanceRead the answer and worked solution →Tap every bond parameter the chapter namesRead the answer and worked solution →True or false: ionic solidsRead the answer and worked solution →Assertion and reasonRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Three of these are wrong. Find the one that holds.Read the answer and worked solution →Bonded pair or lone pair?Read the answer and worked solution →Flip and pair: term with meaningRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Order the reasoning: why resonance is neededRead the answer and worked solution →Reading the definitions backRead the answer and worked solution →True or false: what bond parameters affectRead the answer and worked solution →Bond parameters in useRead the answer and worked solution →Which parameter answers this?Read the answer and worked solution →True or false: resonanceRead the answer and worked solution →Order the steps: draw a Lewis structureRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Assertion and reason: structureRead the answer and worked solution →Flip and pair: parameter with what it measuresRead the answer and worked solution →

Worked practice questions

As per your syllabus, who proposed AVOGADRO'S LAW (1811) — that equal volumes of all gases at the same T and P contain equal numbers of molecules?

  1. Lavoisier
  2. Stanislao Cannizzaro
  3. Dalton
  4. Amedeo Avogadro
Show answer and solution

Correct answer: D. Amedeo Avogadro

As per your syllabus, Avogadro (1811). Cannizzaro (1860) revived Avogadro's work at Karlsruhe conference.

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Match each scientist to their contribution

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Matching pairs
  1. Left
    Kossel
    Right
    electrostatic attraction between ions, giving electrovalency
  2. Left
    Lewis
    Right
    covalent bonding by sharing electron pairs
  3. Left
    Lewis dot symbols
    Right
    show the valence electrons of an atom
  4. Left
    Lewis dot structures
    Right
    show the bonding in a molecule
The chapter opens with these two accounts of bonding. Source: syllabus Chemistry, Ch 4 Chemical Bonding and Molecular Structure.

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Ionic or covalent?

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Items
  1. Item
    Electrostatic attraction between ions
    Category
    Ionic bonding
  2. Item
    Gives the concept of electrovalency
    Category
    Ionic bonding
  3. Item
    Forms a crystal lattice
    Category
    Ionic bonding
  4. Item
    Sharing of electron pairs
    Category
    Covalent bonding
  5. Item
    Described first by Lewis
    Category
    Covalent bonding
  6. Item
    Can be single, double or triple
    Category
    Covalent bonding
Categories
  1. Item
    Ionic bonding
  2. Item
    Covalent bonding
One transfers electrons and holds by electrostatic attraction the other shares them. Source: syllabus Chemistry, Ch 4 Chemical Bonding and Molecular Structure.

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