1.

3. By what methods--physical or chemical—is it possible to break a compound into itsconstituents?4. What is the base of all plant fibres?5. In which method of transfer of heat do molecules themselves travel from the hot portion tothe cold portion?6. If a vegetable tastes bitter, what is it likely to have in it-a base or an acid?7. Is rusting a physical or a chemical change?8. Is heat a form of energy or a form of matter?9. Fill in the blanks: The nearer a place is to the equator the(warmer/colder) it isexpected to be0. Humus is found in all layers of the soil. True or false?​

Answer»
  1. by CHEMICAL METHOD. because COMPOUND can only be breaked through chemicla METHODS


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