Class 10 Science Notes - METALS AND NON-METALS

v  Elements are classified broadly into two categories on the basis of properties: v  Metals: Iron, Zinc, Copper, Aluminium etc. v  Non- metals: Chlorine, Nitrogen, Hydrogen, Oxygen, Sulphur etc. v ...

Class 10 Notes - ACIDS, BASES AND SALTS

1)      Acids are sour in taste, turn blue litmus red, and dissolve in water to release H+ ions e.g. HCl, H2SO4, HNO3 etc. 2)      Bases are bitter in taste, have soapy...