10 Questions
What happens when soap solution is dropped on blue litmus paper?
It remains blue
What does the red litmus turning blue when in contact with ammonia indicate?
Ammonia is basic
How does turmeric behave when washed with soap on white clothes?
It turns red
Why does dropping nitric acid on eggshell release carbon dioxide gas?
The acid causes a chemical reaction leading to gas release
Is urea acidic, basic, or neutral in nature?
Acidic
How can the sting of a wasp, which is basic, be treated?
Treating with an acid to neutralize the sting
Why are acids not stored in a metal container?
Because acids react with metals and can corrode them
How can you identify a basic solution using litmus paper?
It changes red litmus paper to blue
When drops of lemon juice are put on blue litmus paper, what color change occurs?
Blue litmus turns red
What property of soap solution makes it useful for cleaning acids?
High alkalinity as a base that can neutralize acids
Test your knowledge on neutralization reactions, acid-base mixtures, natural indicators, and the effects of different substances on litmus paper and turmeric stains. Explore what happens when nitric acid is added to eggshells, and why turmeric is considered a natural indicator.
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