General Science MCQs – Page 34 (Q331-340)

General Science MCQs

331The direct change of a substance from solid to gas, without passing through a liquid stage, is called what?
332Solid carbon dioxide, commonly known as dry ice, is well known for undergoing which process at room temperature?
333The change of a substance from a gaseous state directly to a liquid state is called what?
334The change of a substance from a liquid state to a solid state is generally called what?
335The direct change of a substance from a gas to a solid, skipping the liquid stage, is called what?
336At standard atmospheric pressure, pure water boils at approximately what temperature?
337At standard atmospheric pressure, pure water freezes at approximately what temperature?
338Unlike most substances, water has the unusual property of doing what when it freezes into ice?
339Because it can dissolve so many different substances, water is often referred to by what nickname?
340A chemical bond formed by the complete transfer of electrons from one atom to another is called what?

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