science

Which process is an example of a chemical change?

drying clothes in the dryer

chopping a tree

activating a glow stick

heating a cup of tea

  1. 👍 0
  2. 👎 1
  3. 👁 1,171
  1. Activating a glow stick is the example of a chemical change, as snapping one will cause a chemical reaction, causing the glow. All of the other options are physical changes because nothing new is formed. Hope this helps!

    1. 👍 1
    2. 👎 0
  2. thank you

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Science

    1) Which of the following is a chemical change? (1 point) Boiling of water Melting a cube of ice Dissolving 10 grams of salt in water Splitting water into hydrogen and oxygen*** 2) What is the mass of water that results from

  2. Science

    Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system is an example of a process? Turning on the

  3. Science

    Which observation most likely indicates that a physical change has taken place?(1 point) A. A reaction occurs. B. An odor occurs. C. The temperature increases. D. The process is reversible. Why is freezing water a physical

  4. SCIENCE --- CHECK MY WORK PLS

    help pls, check my work asap!?? 1) Which of the following is a chemical change? (1 point) Boiling of water*** Melting a cube of ice Dissolving 10 grams of salt in water Splitting water into hydrogen and oxygen 2) What is the mass

  1. Chem Lab

    Am I right? Classify the following properties of sodium metal as physical or chemical: •Silver metallic color—physical property •Turns gray in air—physical property •Melts at 98º C-melting point is physical property

  2. Science

    Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system is an example of a process? A. Turning on the

  3. Science

    What did Antoine Lavoisier’s experiments demonstrate? a- Atoms always split into pairs during a chemical change. b- Mass is neither lost nor gained during a chemical change. c- Matter can be created during a chemical change. d-

  4. Physics

    Most housewives use spin dryers to dry their clothes. Explain how water is removed from the clothes in a spin dryer. PLEASE EXPLAIN! :)

  1. science

    Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the

  2. chemistry/engineering

    Wet sugar, containing one-fifth water by mass is conveyed through an evaporator in which 85.0% of the entering water is vaporized. Taking a Basis of 100 kg of feed to the evaporator A barrel of oil contains about 6 million Btu and

  3. AP Chemistry Help!!

    When you light a candle, the paraffin wax soon begins to melt. Paraffin wax is a covalent compound. Can you classify the melting of the wax as a chemical change or a physical change? If so, which is it? If you cannot classify it

  4. 5th grade science

    Can you check the following? 1. Which statement about vascular plants and non-vascular plants is true? a. vascular plants produce seeds and non-vascular plants produce spores b. both plant types produce cones c. both plant types

You can view more similar questions or ask a new question.