G8 T1 2026

1. Pure water boils at o°C at normal atmospheric pressure

6. The temperature decreases by about 1°C for every 1o m we go up

5. The melting point of wax is equal to the melting point of table salt

3. The state of a substance changes from one state to another by gaining heat energy

. Cooking time in pressure cooker is less than cooking in a normal cooking pot

8. Every pure substance has a characteristic boiling point

The amount of depression in the freezing point of solutions depends on their concentrations

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10. Water freezes in polar regions as a result of gaining thermal energy

1. Dry ice is nitrogen in the solid state

13. An increase in the humidity percentage leads to an increase in the rate of evaporation