Question

2.The Temperature on the surface of the sun is ------

3.The Soluble impurities in water can be removed

by--------and------methods

4.The Ozone layer is a part of --------sphere

5.--------- is necessary for burning.
Really I Will Mark as Brain list
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Answer 1

Answer:

1. 5,778 K
2. We can remove soluble impurities from water by evaporation and decantation.
3. stratosphere
4. Three things are required in proper combination before ignition and combustion can take place---Heat, Oxygen and Fuel. There must be Fuel to burn. There must be Air to supply oxygen.

Hope this helps you ☺️

Answer 2

Answer:

2.  The temperature on the surface of the sun is 5,778 K  or 5505°C.

3. Evaporation ,  decantation

4. Stratosphere

5. Oxygen