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प्रश्न
37% of our brain‛s mass consists of water.
पर्याय
True
False
उत्तर
37% of our brain‛s mass consists of water- False.
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संबंधित प्रश्न
Answer the following question:
What is the chemical composition of water ? Give its molecular formula.
How are clouds formed?
Explain why:
If distilled water is kept in a sealed bottle for a long time, it leaves etchings on the surface of the glass.
What do you understand by permanent hardness?
Give a balanced equation for the following conversion:
Magnesium bicarbonate in temporary hard water to magnesium carbonate by boiling.
Complete the statement by filling the blank with the correct word from the option.
Solubility of most solids ___ with rise in temperature.
Select the correct word from the words in option to complete the sentence:
If pressure on the surface of water increases its boiling point ____ and freezing point ____.
True or false? Correct the wrong statement.
We get rainwater throughout the year.
Look at the map of Tamilnadu showing annual rainfall and answer the questions given below
- Identify the districts that get only low annual rainfall in Tamilnadu.
- Identify the districts that get a medium annual rainfall in Tamilnadu.
- State the districts that enjoy high annual rainfall in Tamilnadu.
Total earth’s surface covered by water is
