Question

Q. Observe the correlation in the first pair and complete the second pair. ​

Answer 1

Answer:

1.skin

2.soapy

3.lemon

4.convection

Explanation:

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Answer 2

1. Fish : Gills : : Earthworm : Skin
2. Acid : Sour : : Base : Bitter
3. Lactic acid : Curd : : Citric acid : Lemon
4. Solid : Conduction : : Liquids : Convection

Explanation:

1. Fish and earthworm both have no lungs for breathing. Both fish and earthworms obtain their oxygen from water. Fish uses gills for breathing and Earthworms use their skin for breathing.
2. Acid tastes sour because of hydrogen ions in it and bases taste bitter because of hydroxide ions.
3. Lactic acid and citric acid both are organic acids. Lactic acid is found in curd and citric acid in found in lemon or citrus fruits.
4. Conduction and convection are modes of heat transfer. Solids show transfer of heat through conduction and liquids show transfer of heat through convection.