Energy changes: neutralisation practical
Quiz by Oak National Academy: GCSE Chemistry OCR Foundation
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6 questions
Show answers
- Q1What is an exothermic reaction?A reaction that releases energy to the surroundingsA reaction that absorbs energy from the surroundingsA reaction that neither releases nor absorbs energy30s
- Q2What is an endothermic reaction?A reaction that releases energy to the surroundingsA reaction that absorbs energy from the surroundingsA reaction that neither releases nor absorbs energy30s
- Q3What is the pH range of acidic solutions?7 to 140 to 60 to 1430s
- Q4What is the pH range of alkaline solutions?7 to 148 to 140 to 630s
- Q5What does a pH indicator do?Reacts with acids and bases to produce gasMeasures the temperature of a solutionChanges colour to show if a solution is acidic or alkaline30s
- Q6What is a neutralisation reaction?A reaction between a base and a metalA reaction between an acid and an alkali to form water and a saltA reaction between two acids30s