Chemistry
What is the composition of water ? In what volume its elements combine ?
Water
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Answer
Water is composed of two atoms of hydrogen and one atom of oxygen in the ratio of 2:1.
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Related Questions
Assertion (A): Hardness of water is removed by boiling.
Reason (R): Water contains dissolved calcium and magnesium chlorides.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Name:
(a) The solute and solvent in sugar solution.
(b) The characteristic property which makes water the universal solvent.
(c) A substance whose solubility shows an anomalous behaviour.
(d) A substance whose solubility rapidly increases with the temperature.
Name the substances which give water:
(a) temporary hardness
(b) permanent hardness
Name the three methods by which hydrous substances can be made anhydrous.