How Chemical Equations are Formed? | Don't Memorise

Created from Youtube video: https://www.youtube.com/watch?v=ApJvQQLL2iYvideo

Concepts covered:chemical reaction, reactants, products, chemical equation, balancing equations

The video explains how chemical equations represent chemical reactions, where reactants transform into products, using symbols to simplify the representation. It highlights the importance of balancing chemical equations to ensure the conservation of atoms, as demonstrated with the example of hydrogen and oxygen forming water.

chapter

Concepts covered:chemical reaction, reactants, products, chemical equation, balancing equations

Question 1

Reactants form products in a chemical reaction.

Question 2

What indicates the direction of a chemical reaction?

Question 3

In a chemical reaction, reactants react to form _____.

Question 4

CASE STUDY: A laboratory experiment involves mixing hydrogen and oxygen under heat to form water. The chemical equation needs balancing to reflect the correct number of atoms.

Identify the incorrect step in balancing the equation.

Question 5

Chemical equations use symbols to represent reactions.

Question 6

What are the reactants in a chemical reaction?

Question 7

Conditions like heat are written _____ the arrow in a chemical equation.

Question 8

CASE STUDY: A student writes a chemical equation for a reaction but notices unequal atoms on both sides. They need to correct it.

What should the student do next?

Question 9

Conditions are written above the arrow in chemical equations.

Question 10

How is a chemical equation simplified?

Question 11

The arrow in a chemical equation indicates the _____ of the reaction.

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