Question

Answer the following questions. ( any four)

1. Write all physical properties of metals .

2. What are the major groups of microorganisms?
3. List conditions under which combustion can take

place.

4. Explain calorific value.

5. Give two examples of situations in which applied force

causes a change in the shape of an object.
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Answer 1

Answer:

4th answer

Explanation:

the energy contained in a fuel or food determined by measuring the heat produced by the complete combustion of a specified quantity of it. This is now ususlly expressed in joules per kilogram

Answer 2

Answer:

1 : Shiny in nature

2: Metal is a good conductor of electricity and heat

3: Density and melting point is high

4: Metal are malleable

5: Metal are ductile

6: At room temperature, it is in solid form expect for mercury

7: Metal are opaque

2: microorganisms are divided into six major groups : bacteria, archea, fungi, protozoa, algae and viruses