Question

Word Bank
physical change: a change where the physical properties of a substance, such as shape, size,
appearance, or state, change without any change in its chemical composition
chemical change: a change requiring the interaction of two or more substances in which a new
substance is formed that has an entirely different composition from the original substances
alloy: a mixture of two or more metals or a metal and a non-metal
reactants: substances present before the beginning of a chemical change
products: substances formed after occurrence of a chemical change
corrosion: the process by which metals are destroyed progressively by chemical action
rusting: the process of formation of an iron compound on the surface of iron objects
combustion: the process of burning of any substance in the presence of air
displacement reaction: a reaction in which a more reactive element displaces the less
'reactive element from its salt solution
crystallization: a process by which pure crystals of a substance are obtained from its impure
solution




Btao Kaise ​

Answer 1

Kyunki:



Mai gareeb hu