Q. Which of the following is a characteristic of an acid?

निम्नलिखित में से कौन सा अम्ल का गुण है?

A
Turns litmus blue
लिटमस को नीला कर देता है
B
Turns litmus red
लिटमस को लाल कर देता है
C
Neutralizes bases
आधारों को निष्क्रिय करता है
D
Has a pH of 7
इसका पीएच 7 है

Explanation

Acids are substances that donate hydrogen ions (H⁺) in solution.
They turn blue litmus paper red, taste sour, and have a pH less than 7.

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