English, asked by js0535067, 10 hours ago

platinum is a precious metal noun​

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Answered by shailbala9992
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Answer:

EXERCISE

Chemical Reactions

1. State what is a chemical reaction. A chemical reaction is often accompanied by e

indications or characteristics which include - al Colour change b] Effervesc

i] Addition of dilute acid to an active metalii] Addition of dilute hydrochloric acid to

With reference to each of the above indications, state the external indication seen duri

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