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Chemical Reactions in Daily Life

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Questions and Answers

What is the outcome of burning a magnesium ribbon?

Formation of ash (correct)

Expansion of the ribbon

Change in color to black

Release of a pungent smell

What indicates that a chemical reaction has taken place?

Change in physical state only

Change in color only

Change in temperature only

Change in the nature and identity of the initial substance (correct)

What does the quote 'Facts are not science — as the dictionary is not literature' imply?

Facts are irrelevant to science

Facts alone do not constitute science (correct)

Science is similar to literature

Science is based solely on facts

What happens when grapes get fermented?

<p>Chemical change occurs</p> Signup and view all the answers

In what situation can we say that a chemical reaction has taken place?

<p>Whenever a chemical change occurs</p> Signup and view all the answers

Chemical Reactions in Daily Life

Choose a study mode

Podcast

Questions and Answers

What is the outcome of burning a magnesium ribbon?

What indicates that a chemical reaction has taken place?

What does the quote 'Facts are not science — as the dictionary is not literature' imply?

What happens when grapes get fermented?

In what situation can we say that a chemical reaction has taken place?

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