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Class 10 Science Chemical Reactions Quiz

3 Questions

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Class 10 Science Chemical Reactions Quiz

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Questions and Answers

What is the balanced chemical equation for the reaction between hydrogen and oxygen to form water?

4H₂ + 2O₂ → 4H₂O

2H₂ + O₂ → 2H₂O (correct)

H₂ + 1/2O₂ → H₂O

H₂O₂ → H₂O + 1/2O₂

What is the product of the chemical reaction between sodium and chlorine gas?

Na₂Cl₂

NaCl (correct)

Na₂Cl

NaCl₂

In a chemical equation, what does the arrow (→) represent?

Transforms

Yields (correct)

Produces

Consumes

Study Notes

Chemical Reactions

The balanced chemical equation for the reaction between hydrogen and oxygen to form water is 2H₂ + O₂ → 2H₂O.
The product of the chemical reaction between sodium and chlorine gas is sodium chloride, also known as common table salt.
In a chemical equation, the arrow (→) represents the direction of the reaction, indicating the reactants on the left and the products on the right.

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Description

Test your knowledge of chemical reactions and equations with this quiz for class 10 science. Answer questions about balanced chemical equations, products of reactions, and the representation of reactions in chemical equations.