Question

Choose une
POITect alternative rom those alleilauro 5
statements :
1. Of what is the reaction Fe2O3 + 2A1-A12O3 + 2Fe an example ?
A. Decomposition reaction
B. Combination reaction
C. Displacement reaction
D. Double displacement reaction
2. Which functional group is present in detergent ?
A. - CONa B. - COONa C. - SO3Na D. - CO2Na
3. In what does glucose breakdown in the first step of respiration in
A. Lactic acid B. Carbon dioxide C. Starch D. Pyruvate
4. From which of following, electricity can be generated without the u
A. Tidal energy
B. Geothermal energy
C. Tidal energy
D. Sola
5. Where should an object be placed to obtain its image as real and
the object by a convex lens ?
A. At F1
B. shich optical phenomenon is responsible for the twinkling of star​

Answer 1

Answer:

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Answer 2

Answer:

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Explanation:

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