Question

guys what is. ph level
i want definition​

Answer 1

Answer:

pH is a scale used to specify the acidity or basicity of an aqueous solution.

Answer 2

Explanation:

all the events of the past

अतीत की घटनाएँ, इतिहास

an important moment in historyan important moment in history

2.

the series of events or facts that is connected with somebody/something

किसी व्‍यक्ति या वस्‍तु से संबद्घ घटनाएँ या तथ्‍य; इतिहास