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3 February, 13:32

1. Hydrogen gas and oxygen gas, when combined, form liquid water. What type

of change is this, and why?

A) Chemical change, because a gas is produced.

B) Physical change, because it is changing from gas to liquid.

C) Chemical change, because a new substance is produced.

D) Physical change, because atoms are not gained or lost.

Answers (1)
  1. 3 February, 14:49


    because in chemical changes its involve specific chemical symbols and they form new substances
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