Questions


March 2023 1 1 Report
Read the questions carefully. Select and write your answer on sheet of paper. 1. When you poured a hot water on your coffee mug and cover it for a while, you may notice droplets formed under the cover. Where did these droplets come from? a. These droplets are the molecules that escape from the liquid. b. These droplets are the liquid molecules that touch the glass. c. Droplets are from the spilling of hot water when poured in the coffee mug. d. Droplets are the energy from the liquid molecules. 2. Which of the following illustrates that gas turns into liquid? a. melting of ice b. . steam from boiling water c. rubbing alcohol on your arms d. water droplets outside a cold glass of lemonade 3. Which of the following statements is TRUE about condensation? a. The process by which a solid changes directly into a gas. b. A statement of chemical symbols that shows what happens during a chemical reaction. c. The process by which particles leave a liquid and become a gas. d. The process by which particles leave a gas and become a liquid. 4. Which of the following is an example of condensation? a. falling snow c. cloud formation b. breathing in and out d. rainwater seeping into soil 5. Ysabelle gets a dry glass and pours cold water with some ice into it. She left the glass for a while to get some sandwich, and when she got back to it, she saw that the outside of the glass is now wet with water droplets. Where did these water droplets come from? A. Ysabelle just spilled some water on the outside of the glass while pouring. B. Water evaporated from inside the glass, and then condensed outside the glass. C. The water vapor outside the glass condensed on the cold walls of the glass. D. Ysabelle held the glass with sweaty hands. The water droplets are actually Miko’s sweat.​

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