Question
(a) Condensation of steam is not a chemical change. Explain.
(b) If two liquids are immiscible, which of the two liquids will be at the bottom if they are taken together in a container?
[2 MARKS]
(b) If two liquids are immiscible, which of the two liquids will be at the bottom if they are taken together in a container?
[2 MARKS]
Answer:
:
Each part: 1 Mark
(a) A change in which one or more new substances are formed is called a chemical change. When steam is condensed, it becomes water. Only the state of H2O changes. A new substance is not formed. So, it is not a chemical change.
(b)When two liquids are immiscible and are taken together in a funnel, the heavier liquid forms the bottom layer and the lighter liquid forms the top layer.
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:
Each part: 1 Mark
(a) A change in which one or more new substances are formed is called a chemical change. When steam is condensed, it becomes water. Only the state of H2O changes. A new substance is not formed. So, it is not a chemical change.
(b)When two liquids are immiscible and are taken together in a funnel, the heavier liquid forms the bottom layer and the lighter liquid forms the top layer.
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