![]() The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. What is Class 9 chemical change?Ī chemical change is a permanent change in which the original substance gives rise to one or more substances with different properties. The five conditions of chemical change: color change, formation of a precipitate, formation of a gas, odor change, temperature change. Biological decomposition or fermentation.Physical reactions are sometimes called physical processes. Breaking glass is a type of physical change. Common examples are melting or boiling a substance and breaking, cutting, or crushing an object. Physical reactions may include changes in texture, shape, temperature, and state, without a change in the composition. In such a change no new substance is formed. A physical change is generally reversible. What is called physical change?Ī change in which a substance undergoes a change in its physical properties is called a physical change. A change in the texture of a substance is a change in the way it feels. Types of some physical changes are texture, shape, temperature, and a change in the state of matter. ![]() In a physical change, the material involved in the change is structurally the same before and after the change. Physical properties include: appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, and many others. What are 8 examples of physical properties?
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