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7th Standard English Medium Science Subject T3 - Chemistry in Daily Life Book Back 2 Mark Questions with Solution Part - I updated Book back Questions

7th Standard English Medium Science Subject T3 - Chemistry in Daily Life Book Back 2 Mark Questions with Solution Part - I

7th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10

  1. Name a substance which can be used as an antiseptic as well as disinfectant?

  2. What are the main constituents of dettol?

  3. Name the unit in which the calorific value of a fuel is expressed?

  4. How many types of combustion are there?

  5. What are the essential requirements for producing fire?

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