Question

Fill in the blanks:
a)a change in which a substance retains its identity is a_____________ change.
b) matter is added or removed during a ________ change.
c) energy required for completion of a physical change is _________ when the change is received.
d) dissolution of lead nitrate in water is deemed as a__________ change.
e) a change in which matter undergoes a change but the total mass of substance is unaltered is a ______________ change.

Answer 1

Answer:

a) In a physical change, the substance retains its identity

b) Matter is added or removed during a chemical

c) energy required for completion of a physical change is released when the change is received.

d) Dissolution of lead nitrate in water is deemed as a physical change.

e) A change in which matter undergoes a change but the total mass of the substance is unaltered is a chemical change

Explanation:

hope it's helpful :)

my favo avenger is iron man, captain America and spider man ;)