Balancing Chemical Equations (Grade 10 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does the law of conservation of mass state about matter in a closed system?
What does the law of conservation of mass state about matter in a closed system?
Matter can change form but not be created
In a balanced chemical equation, what must be equal on both sides?
In a balanced chemical equation, what must be equal on both sides?
Number of atoms of each element
When balancing chemical equations, what should you change?
When balancing chemical equations, what should you change?
Only the coefficients
Which state symbol represents an aqueous solution?
Which state symbol represents an aqueous solution?
(aq)
What does the state symbol (g) represent?
What does the state symbol (g) represent?
Gaseous compounds
What symbol above the arrow shows that heat is needed for a reaction?
What symbol above the arrow shows that heat is needed for a reaction?
Greek delta
What is the first step in balancing a chemical equation?
What is the first step in balancing a chemical equation?
Identify reactants and products
Why can't you change subscripts when balancing equations?
Why can't you change subscripts when balancing equations?
It changes the compound's identity
What type of formula is written for ionic compounds in balanced equations?
What type of formula is written for ionic compounds in balanced equations?
Empirical formula
In , how many oxygen atoms are in products?
In , how many oxygen atoms are in products?
4