Cambridge IGCSE Combined Science practice
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At a glance
MCQ
Type
cambridge_mcq
Style
Topic
The characteristic properties of acids and bases
Exam-style question
What happens to red litmus paper in a basic solution?.
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Question 1 of 5
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Description
Bases are substances that can neutralize acids. They feel slippery, taste bitter, and turn red litmus paper blue. When dissolved in water, they produce hydroxide ions (OH-).
Explain the key properties of bases based on their reactions with acids.
Aim for approximately 3 distinct marking points.