Question

ordinary water boils at hundred degree Celsius can it be made to boil at 98 degree Celsius or 103 degree Celsius

Answer 1

Yes.
By increasing pressure, water boils at higher temperatures
By decreasing pressure, water boils at lower temperatures

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P.S. Its a physics question

Answer 2

The boiling point depends on pressure, it is only 100 °C at a pressure of 1.01 bar. Actual pressure varies with the weather and height above sea level. At a pressure of 0.95 bar, water will boil at 98 °C.
The boiling point of pure water is 1000C. Soluble impurities increase theboiling point of a liquid. As the sample ofwater boils at 1020C, hence it is not pure