Here are 10 One-Word Answer Type Questions from the chapter Acids, Bases and Salts (from your provided PDF), with answers and explanations after each question as requested:
One-Word Answer Type Questions
Topic: Acids, Bases and Salts
1. Question: What is the taste of acids?
• Answer: Sour
• Explanation: Acids have a sour taste, like lemon juice and vinegar.
2. Question: What is the taste of bases?
• Answer: Bitter
• Explanation: Bases taste bitter and feel soapy to touch, like baking soda.
3. Question: What is the name of substances that change colour in acids and bases?
• Answer: Indicators
• Explanation: Indicators show different colours in acidic and basic solutions.
4. Question: Name one natural indicator.
• Answer: Litmus
• Explanation: Litmus is a natural indicator obtained from lichens.
5. Question: What colour does blue litmus turn in acid?
• Answer: Red
• Explanation: Blue litmus paper turns red in an acidic solution.
6. Question: What colour does red litmus turn in base?
• Answer: Blue
• Explanation: Red litmus paper turns blue in a basic solution.
7. Question: What is formed when acid reacts with base?
• Answer: Salt
• Explanation: Salt and water are formed when an acid reacts with a base.
8. Question: What is the process of acid and base reaction called?
• Answer: Neutralisation
• Explanation: Neutralisation is the chemical reaction between an acid and a base to form salt and water.
9. Question: What is the product along with salt in neutralisation reaction?
• Answer: Water
• Explanation: Water is produced along with salt in a neutralisation reaction.
10. Question: Which acid is present in lemon juice?
• Answer: Citric
• Explanation: Citric acid is naturally present in lemon juice.
If you want, I can now prepare the next set from the sub-topic Natural Indicators Around Us in the same one-word question format.
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