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प्रश्न
37% of our brain‛s mass consists of water.
विकल्प
True
False
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उत्तर
37% of our brain‛s mass consists of water- False.
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संबंधित प्रश्न
Why is water essential for life?
Name the two gases from which water is formed. What is the chemical composition of these two gases in water ?
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.
Explain why:
Fused CaCl2 or conc. H2SO4 is used in a desiccator.
Name the solute, solvent & solution in the statement – ‘sodium chloride dissolves in water to give sodium chloride solution’. Define each of the terms in italics.
Give a balanced equation for the following conversion:
Magnesium bicarbonate in temporary hard water to magnesium carbonate by boiling.
State the causes of ‘eutrophication’.
A jumbled word is given here. Write the correct form of the word.
QUIFERA
A man travelling on a train threw an empty packet of food on the platform. Do you think this is a proper waste disposal method? Elaborate.
