Characteristics and transformation state of matter — task. Science CBSE, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Select the correct answer for the questions given below:

1. Which of the following statement is not true regarding the characteristic of matter?

Kinetic energy of the particles increases with a rise in temperature.
The particles of the matter attract each other.
The molecular force of the matter will decrease with increase in the temperature.
The particles in the mater are not continuously moving.

2. Which of the following statement is not true?

The melting point of ice is 0°C.
The process of the gas converting its physical state to liquid is known as vaporisation.
To convert the temperature from Kelvin scale to the Celsius scale, add 273 to the given temperature.
If the heat applied to the solid, it will melt.

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