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Displaying 5 out
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questions & answers.
Q1.
What is matter? Give three examples of things made up of matter.
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Matter is anything that has mass and takes up space, e.g., a book, a pen, a pencil, etc.
Q2.
What do you understand by interconversion of state?
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Interconversion of states is the change of matter from one state to another. Ex. Water can change from a solid (ice) to a liquid (water) to a gas (vapour).
Q3.
What is sublimation? Name two substances that sublime.
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Sublimation is the process of a solid changing directly into a gas without becoming a liquid first, e.g., dry ice and napthalene.
Q4.
How does an alloy differ from a metal? Name two alloys.
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answer not shownQ5.
What are atoms made of?
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