Temperature change, colour change, releasing gas, bubbles and change in odor
You convert kinetic energy into thermal energy when you rub two sticks together.
Answer:
True
Explanation:
Here is an example: chemical properties include flammability, toxicity, acidity, reactivity. we observe the changes of these properties. Therefore, It's true.
The reaction given above is a combustion reaction. All combustion reactions are exothermic, meaning they give off heat when they react,
