7. What do
you mean by the change of state?
Write the flow chart showing the complete cycle
of change of state.
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Answer:
(i) Immunisation for infants—DPT, BCG, polio, measles and MMR. (ii) For children—Typhoid, TT, DT, small pox and TAB. (iii) For pregnant woman— TT and hepatitis-B. The diseases like typhoid, polio, measles, tetanus are the major health problems in our locality
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Ques. What do you mean by the change of state?
Answer :- Changes of state are physical changes in matter. They are reversible changes that do not involve changes in matter’s chemical makeup or chemical properties. Common changes of state include melting, freezing, sublimation, deposition, condensation, and vaporization.
The second part of this answer is given in the above attachment .
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