Si 1 Oral Questions1. Name a material which loses its shine when exposed to moist air.2. Which material is the hardest known material ?3. Name any two properties on the basis of which materials can be classified4. Name two materials which do not dissolve in water and are lighter than water.5. Name a substance which is soluble in water.6. A substance when placed in water floats on it. What do you conclude from thiacheTEtheOTHER INTERESTING PROPERTIES OF MATERIALSIn addition to physical state, appearance, solubility, flotatidoceviha

Si 1 Oral Questions1. Name a material which loses its shine when exp

1.	Si 1 Oral Questions1. Name a material which loses its shine when exposed to moist air.2. Which material is the hardest known material ?3. Name any two properties on the basis of which materials can be classified4. Name two materials which do not dissolve in water and are lighter than water.5. Name a substance which is soluble in water.6. A substance when placed in water floats on it. What do you conclude from thiacheTEtheOTHER INTERESTING PROPERTIES OF MATERIALSIn addition to physical state, appearance, solubility, flotatidoceviha
Answer» TION:Silver jewellery LOOKS dull after a few months because it loses its shiny surface due to its EXPOSURE to air and MOISTURE

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