Aswajith

Ore of fe, blast farness , electrolisis , reduction , oxidization , covalent bonding .

Sulfur , element , motion and separation ,e general physical properties of a liquid and solid , Alloys ,

Sulfur , element , motion and separation ,e general physical properties of a liquid and solid , Alloys ,

Alkenes , homologous series , hydrocarbons, measuring ethene gas , exothermic reaction ,Samarium metal.

Alkenes , homologous series , hydrocarbons, measuring ethene gas , exothermic  reaction ,Samarium metal.

anod , catod , cation , anion .

Masses of some of the ions , Calculating the mass , calculating the relative molecular mass , elements in Group I , electrolysis .

purifying water .

Remove the insoluble mud - filtering .

Evaporating .

Measure the mass of dissolved solids .

Work out concentration in g/dm³ .

Water purification .

Filtering .

Evaporation .

Condensation .

Boiling .

purifying water .

Remove the insoluble mud - filtering .

 Evaporating .

Measure the mass of dissolved solids .

Work out concentration in g/dm³ .

Why elements has colour , halogen group VII.

halogens , chlorine reacts with aqueous potassium bromide ,  chemical equation .

atomic structure .

proton .

neutron .

electron .