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Indian Army Soldier p-Block Elements (Groups 15-18) — practice questions

Explore 26 free p-Block Elements (Groups 15-18) questions in Indian Army Soldier Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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p-Block Elements (Groups 15-18) questions and exercises with answers

Showing questions 1–26 of 26.

Match each science fact to the correct answerRead the answer and worked solution →Fill in the chemistry basicsRead 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

Match each science fact to the correct answer

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Matching pairs
  1. Left
    Acid mix that dissolves gold
    Right
    Aqua regia
  2. Left
    Black tarnish on silver
    Right
    Silver sulphide
  3. Left
    pH of pure water
    Right
    7 (neutral)
  4. Left
    Gas from metal + acid
    Right
    Hydrogen
  5. Left
    The universal solvent
    Right
    Water

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Fill in the chemistry basics

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Missing parts
  1. Answer
    positive
    Choices
    1. positive
    2. negative
    3. neutral
    4. no
  2. Answer
    hydrogen
    Choices
    1. hydrogen
    2. oxygen
    3. hydroxide
    4. sodium
Complete the statement
Metals form {0} ions by losing electrons, and acids release {1} ions in water.
Instructions
Fill each blank.

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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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More Chemistry topics

Alcohols Phenols EthersAldehydes KetonesAlkenesAtoms and MoleculesChemical EquilibriumClassification of ElementsClassification of Elements and PeriodicityHydrogen