1) Why water is called the universal solvent a) Because it dissolves most of the substance in it b) Because it a universal solvent c) Because it do not dissolves most of the substances in it d) None of the above 2) How can we save the aquatic life ? a) Refuse plastic straws at restaurants b) Carry a reusable water bottle c) Washing cloths and bathing should be avoided near water resources d) All of the above  3) A homogenous mixture of a solute in a solvent is called a______________ a) Solute b) Evaporation c) Solution d) Solvent 4) Wat dissolves all the substance in it______________ a) Milk b) Water c) Juice d) None 5) On boiling water turns steam or water vapour,thus exists in ___________________ a) Liquid state b) Solid state c) Gaseous state d) None

Water

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？