Question

C. Alternative Response Type: State True or False: 1. Grouping of things is useful for understanding their properties and using them, 2. All liquids and gases are soluble in water. State Yes or No: 1. Do all metals conduct electricity ? 2. Do objects which are lighter than water sink in it? State Right or wrong: 1. Classification is done on the basis of dissimilarities only. 2. Same material can be used for making different objects. 3. Objects through which we cannot see are called opaque objects. D. Analogy Type: 1. Mercury : Good conductor of heat:: Plastic: 2. Wax: Natural material :: Glass : 3. Copper: Conductor:: Rubber: 4. Coal : Natural substance::Soap :​

Answer 1

Gases can dissolve in water. The dissolving of a gas in water depends on the interaction between the molecules of the gas and the water molecules. The amount of gas that can be dissolved in water depends on the temperature of the water.

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Answer 2

Answer:

1. No
2. wrong
3. yes
4. soap

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