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V PUBLICATION-THE ESSENCE OF CHANGE-QUESTION BANK
- Example for chemical change
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- ln the process of burning of fuel chemi- cal energy is changed into he...
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- Substance which liberate a lot of t while burnig are caused.......
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- ...... energy is needed for the of an engine of vehicles
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- Digestion of food, Condensation of clouds lead to rain, Rusting of ir...
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- Evaporation of water, Melting of ghee, Rusting or iron, Dissolving su...
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- Petroleum, Natural gas, Goal, Biogas
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- Find out the energy changes in the following statements? An electric ...
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- How does coal, petroleum and natural gas are produced?
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- The energy sources like sunlight, wind, water and biogas are used mor...
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- Find out the situations where solar pan-. els are made use of and list...
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- What are the solutions to solve the problem of energy crisis?
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- Melting of' ice is a physical change while burning of magnesium is a c...
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- Explain why burning of wood and cut- ting It into small pieces are con...
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- Curdling of milk is a permanent Change Why?
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- Write any two changes which are harmful in our daily life. Explain why...
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- Find out the energy changes in the fol- lowing statements?
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- When a mixer grinder is works on, electrical energy [s transferred to ...
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- "Sun- An unending source of energy. Are you agree with the statement?
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- Give the important properties of physi- cal changes?
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