Here are 10 One-Word Answer Type Questions from the topic China Rose as Indicator (from your provided PDF), with answers and explanations after each question as requested:
One-Word Answer Type Questions
Topic: China Rose as Indicator
1. Question: China rose indicator is prepared from the petals of which flower?
• Answer: Hibiscus
• Explanation: China rose indicator is obtained from the petals of the hibiscus flower.
2. Question: What colour does China rose indicator turn in acidic solution?
• Answer: Dark pink
• Explanation: China rose solution turns dark pink in the presence of an acid.
3. Question: What colour does China rose indicator turn in basic solution?
• Answer: Green
• Explanation: China rose solution turns green in a basic medium.
4. Question: China rose indicator is an example of which type of indicator?
• Answer: Natural
• Explanation: China rose indicator is a natural indicator obtained from plant petals.
5. Question: What is the colour of China rose indicator in neutral solution?
• Answer: Light pink
• Explanation: In neutral solutions, China rose indicator shows a light pink colour.
6. Question: What is the nature of a solution if China rose indicator turns dark pink?
• Answer: Acidic
• Explanation: Dark pink colour shows that the solution is acidic.
7. Question: What is the nature of a solution if China rose indicator turns green?
• Answer: Basic
• Explanation: Green colour indicates that the solution is basic.
8. Question: China rose indicator helps to detect the presence of what in a solution?
• Answer: Acid
• Explanation: It detects acids by turning dark pink.
9. Question: What household item can turn China rose indicator green?
• Answer: Soap
• Explanation: Soap solution is basic and turns China rose indicator green.
10. Question: Which type of test is performed using China rose indicator?
• Answer: Acid-base
• Explanation: China rose indicator is used to test whether a solution is acidic or basic.
If you want, I can now prepare the next set from the topic Neutralisation in the same format.
Shall I proceed?
