Changes around us Worksheet-5
Fill in the blanks:
(A) A chemical change (B) None of these
(C) A physical change
(A) A chemical change (B) A physical change
(C) None of these
(A) Chemical and irreversible change
(B) Physical and reversible change
(C) Physical and irreversible change
(D) Chemical and reversible change
(A) relaxation (B) contraction (C) expansion
(A) Heating (B) Cooling (C) Melting
(A) It is a physical and irreversible change
(B) It is a chemical and reversible change
(C) It is a physical and reversible change
(D) It is a chemical and irreversible change
(A) It is because the spray droplets have lower temperature than our body.
(B) It is because the spray droplets have higher temperature than our body.
(C) It is because the spray droplets contain water.
(D) None of these
(A) None of these
(B) It disappears due to evaporation
(C) It disappears due to condensation
(A) Heating (B) Condensation
(C) Evaporation (D) None of these
(A) It happens due to physical process
(B) It happens due to chemical process
(C) None of these
Answer Key: