Chemical Equations Quiz
15 Questions
5 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the word-equation for the reaction when magnesium ribbon is burnt in oxygen?

  • Magnesium + Oxygen → Magnesium oxide (correct)
  • Oxygen + Magnesium oxide → Magnesium
  • Magnesium oxide + Oxygen → Magnesium
  • Magnesium oxide → Magnesium + Oxygen

Where are the reactants placed in a word-equation?

  • Left-hand side (LHS) (correct)
  • Above the arrow
  • Below the arrow
  • Right-hand side (RHS)

In a word-equation, what does the arrowhead point towards?

  • Reactants
  • Products (correct)
  • Right-hand side (RHS)
  • Left-hand side (LHS)

What are the substances that undergo chemical change in the reaction?

<p>Magnesium and Oxygen (C)</p> Signup and view all the answers

Where are the products placed in a word-equation?

<p>Right-hand side (RHS) (C)</p> Signup and view all the answers

What are the substances that undergo chemical change in the reaction when a magnesium ribbon is burnt in oxygen?

<p>Magnesium and oxygen (B)</p> Signup and view all the answers

Where are the reactants placed in a word-equation?

<p>Left-hand side (LHS) (D)</p> Signup and view all the answers

What does the arrowhead in a word-equation point towards?

<p>Products (A)</p> Signup and view all the answers

What is the word-equation for the reaction when magnesium ribbon is burnt in oxygen?

<p>Magnesium + Oxygen → Magnesium oxide (C)</p> Signup and view all the answers

What is the new substance formed during the reaction when a magnesium ribbon is burnt in oxygen?

<p>Magnesium oxide (B)</p> Signup and view all the answers

What are the substances that undergo chemical change in the given reaction?

<p>Magnesium and oxygen (D)</p> Signup and view all the answers

Where are the products of the reaction written in a word-equation?

<p>Right-hand side (RHS) (D)</p> Signup and view all the answers

What does the arrow in a word-equation represent?

<p>Change of reactants to products (C)</p> Signup and view all the answers

What is the simplest way to represent a chemical reaction in a word-equation?

<p>Magnesium + Oxygen → Magnesium oxide (A)</p> Signup and view all the answers

What are the reactants in the given reaction?

<p>Magnesium and oxygen (C)</p> Signup and view all the answers

Flashcards

Word equation

A simple way to show a chemical reaction using names of reactants and products.

Reactants in a word equation

Substances undergoing change, placed on the left-hand side (LHS).

Products in a word equation

New substances formed after a reaction, placed on the right-hand side (RHS).

Arrow in a word equation

Symbol indicating change, pointing from reactants to products.

Signup and view all the flashcards

Chemical change

A process where reactants convert into new substances.

Signup and view all the flashcards

Burning magnesium in oxygen

A reaction producing magnesium oxide from magnesium and oxygen.

Signup and view all the flashcards

Magnesium ribbon

A thin strip of magnesium metal used in chemical reactions.

Signup and view all the flashcards

Oxygen in reactions

Essential gas that supports combustion and is a reactant here.

Signup and view all the flashcards

Magnesium oxide

The product formed when magnesium burns in oxygen.

Signup and view all the flashcards

Left-hand side (LHS)

The part of a word equation where reactants are listed.

Signup and view all the flashcards

Right-hand side (RHS)

The part of a word equation where products are listed.

Signup and view all the flashcards

Arrowhead points towards

Indicates the direction of change in a word equation, towards products.

Signup and view all the flashcards

Substances undergoing chemical change

Reactants that participate in the reaction and transform into products.

Signup and view all the flashcards

Simplest form of chemical representation

Using a word equation to describe a chemical reaction simply.

Signup and view all the flashcards

Word-equation example

Magnesium + Oxygen → Magnesium oxide is a basic representation.

Signup and view all the flashcards

Study Notes

Word Equation for Magnesium Burning

  • The word-equation for magnesium ribbon burnt in oxygen: Magnesium + Oxygen → Magnesium Oxide
  • Reactants in a word-equation appear on the left side of the arrow.

Arrowhead Representation

  • The arrowhead in a word-equation points towards the products, indicating the direction of the reaction.

Substances Undergoing Chemical Change

  • In the reaction, the substances undergoing chemical change are magnesium and oxygen.
  • The product formed during the reaction is magnesium oxide.

Placement of Products

  • Products of the reaction are written on the right side of the arrow in a word-equation.

Simplification of Chemical Reactions

  • A word-equation is the simplest way to represent a chemical reaction, showing reactants and products without symbols or formulas.

Summary of Key Terms

  • Reactants: Magnesium and Oxygen.
  • Products: Magnesium Oxide.
  • The significance of the arrow: Represents the transformation from reactants to products in a chemical reaction.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

Description

Test your knowledge of chemical equations with this quiz on word-equations and chemical reactions. Practice writing concise representations of reactions and identifying the products formed.

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser