Decomposition Reactions (HSC SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the key characteristic of a decomposition reaction?
What is the key characteristic of a decomposition reaction?
One reactant forms multiple products
What colour change occurs when copper carbonate undergoes thermal decomposition?
What colour change occurs when copper carbonate undergoes thermal decomposition?
Light blue-green to black
What observation indicates a positive test for gas with limewater?
What observation indicates a positive test for gas with limewater?
Limewater turns cloudy or milky white
How many main methods can cause decomposition reactions?
How many main methods can cause decomposition reactions?
Three
What are the products when carbonates undergo thermal decomposition?
What are the products when carbonates undergo thermal decomposition?
Metal oxide and
What condition is required for electrolysis decomposition to occur?
What condition is required for electrolysis decomposition to occur?
Ions must be able to move freely
What colour sequence occurs when silver chloride decomposes in sunlight?
What colour sequence occurs when silver chloride decomposes in sunlight?
White to purple to black
Which technology relied on decomposition of silver compounds by light for about 150 years?
Which technology relied on decomposition of silver compounds by light for about 150 years?
Film photography
What are the products of thermal decomposition of metal hydroxides?
What are the products of thermal decomposition of metal hydroxides?
Metal oxide and
Which reaction type is the reverse of decomposition reactions?
Which reaction type is the reverse of decomposition reactions?
Synthesis reactions