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Which of the following are expected to change the blue litmus paper to red?
1. vinegar
2. kamias juice
3. ammonia in water
4. soap
5. dalandan juice


Sagot :

You know the abbreviation "BRA" right?
If not it means "blue-red-acid"
and vice versa. Since you said blue to red litmus paper, it should be an acid. So the answers are 1.,2, and 5,