Try question 1 Pure ice melts at A0 °C B37 °C C100 °C D−10 °C Tap an answer to check. Answer and explanation Answer: A. 0 °C Its melting point is 0 °C. Open this question →
Try question 2 Pure water boils at sea level at A50 °C B90 °C C100 °C D120 °C Tap an answer to check. Answer and explanation Answer: C. 100 °C Its boiling point is 100 °C at normal pressure. Open this question →
Try question 3 Wet clothes dry in the sun because of Aevaporation Bcondensation Cfreezing Dmelting Tap an answer to check. Answer and explanation Answer: A. evaporation Heat turns the water into vapour. Open this question →