3. Fill in the blanks.
(a) Phosphorus is a very____non-metal.
(b) Metals are____ conductors of heat and____.
(c) Iron is___reactive than copper.
(d) Metals react with acids to produce____ gas.
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(a) Phosphorus is a very reactive non-metal.
(b) Metals are good conductors of heat and electricity.
(c) Iron is more reactive than copper.
(d) Metals react with acids to produce hydrogen gas.
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Answer:
(A) Reactive
(b) good , electricity
(c) more
(d) hydrogen gas
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