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Chemical Bonding and Reactions – GK Quiz with Answers – Level 1

Basic questions on ionic and covalent bonds, quick lime and slaked lime, redox reactions, rancidity and the decomposition of silver chloride in sunlight.

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Questions, answer key and solutions.

Questions
50
Duration
25 min
Marks
50

Negative marking

Attempts
100
Access
Free
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Normal practice, or a Simulated test

Both use the same questions. Normal practice is untimed and needs no account: choose an option and the answer and solution appear at once. The Simulated test is the real computer-based format, with one 25-minute clock, a question palette and full screen, and your score, the key and the solutions arrive when you submit.

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Normal

Untimed

Every question on one page, loading as you scroll. Choose an option and see straight away whether it was right.

  • No timer. Nothing to start and nothing to submit. Stop whenever you like.
  • Answered as you choose. Tap an option and it is marked at once, with the correct answer shown.
  • Solutions in place. The explanation, and the video where one has been added, sit under the question.
  • Open to guests. Normal practice needs no sign-in.
Real exam conditions

Simulated

Timed CBT

The computer-based test format: one clock, a question palette, and a score the moment you submit.

  • A clock that does not pause. 25 minutes from the moment you begin, and the paper is submitted for you when it reaches zero.
  • Question palette. Answered, not answered and marked for review, section by section, as the real interface has it.
  • Full screen, proctored. The test takes over the screen; leaving it three times submits the paper.
  • Answers hidden until you submit. The key, the explanations and your score all arrive together at the end.

About this test

Chemical Bonding and Reactions GK Quiz Level 1: Basics with Answers

Students starting General Awareness chemistry can use this Level 1 quiz to build the basics of chemical bonding and reactions. It covers ionic and covalent bonds, the main reaction types, oxidation and reduction, and everyday cases such as whitewashing, rusting and rancidity. Aptitude360 gives an explanation with every question.

What this Chemical Bonding Level 1 quiz covers

  • Ionic bonds formed by transfer of electrons from metal to non-metal, and covalent bonds formed by sharing
  • Properties of ionic and covalent compounds, such as melting point and conduction of electricity
  • Quick lime, slaked lime and the shiny calcium carbonate layer formed after whitewashing
  • Combination, decomposition, displacement and double displacement reactions
  • Exothermic and endothermic reactions, including respiration and burning of natural gas
  • Oxidation, reduction, redox reactions, rusting and rancidity

Key concepts for bonding and reaction basics

  • Ionic compounds are also called electrovalent compounds and conduct electricity in molten or dissolved form
  • Silver chloride turns grey in sunlight, a decomposition used in black and white photography
  • Iron displaces copper from copper sulphate solution, so the blue colour fades
  • Antioxidants and nitrogen gas in chips packets prevent rancidity

Revision tips for chemical reactions GK

  • Learn the chemical name of each lime compound together with the reaction that forms it
  • Classify every reaction you read by type and by whether it gives out or absorbs energy
  • Remember oxidation as gain of oxygen or loss of hydrogen, and reduction as the reverse

FAQs about Chemical Bonding and Reactions – GK Quiz with Answers – Level 1

What is the difference between ionic and covalent bonds?
An ionic bond forms when electrons are transferred from one atom to another, usually from a metal to a non-metal. A covalent bond forms when atoms share electrons.
What is a redox reaction?
A redox reaction is one in which oxidation and reduction take place together. One substance gains oxygen or loses hydrogen while another loses oxygen or gains hydrogen.
What is the chemical name of quick lime and slaked lime?
Quick lime is calcium oxide. When it reacts with water it forms slaked lime, which is calcium hydroxide.
Why is nitrogen filled in chips packets?
Nitrogen is filled in chips packets to prevent the oxidation of fats and oils. This stops the chips from becoming rancid and changing in smell and taste.

Test structure

How the paper is split, and how long each part runs. A section you have finished cannot be returned to.

SectionQuestionsTime
Chemical Bonding and Reactions GK Level 15025 min

Marking & rules

Total marks
50 across 50 questions.
Negative marking
A wrong answer costs marks. Leaving a question unanswered costs nothing.
Attempts
100 in total. An attempt is spent the moment you begin one.

What you get when you submit

The analysis is ready the moment you submit the paper.

Score and accuracy

Marks, percentage, right, wrong and skipped, and the time you took.

Section by section

The same figures for each section, so a weak one cannot hide in an average.

The full answer key

Every question with your answer, the right one, the working, and the video where there is one.

Where you stand

Your score against the spread of everyone else who has sat this test.

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