1. State what is a chemical reaction. A chemical reaction is often accompanied by external indications or characteristics which include - al Colour change b] Effervescence for gas evolved c] Evolution or absorption of heat d] Formation of a precipitate.With reference to each of the above indications, state the external indication seen during i] Addition of dilute acid to an active metal ii] Addition of dilute hydrochloric acid to silver nitrate iii] Addition of water to quicklime iv] Thermal decomposition of mercury [II] oxide.
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Hi your answer mate☟
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➜ Mr Lorry was the guardian of Lucy Manette.
He was angry with defarge on seeing the pitiable condition of Doctor Manette.
✰Hope it helps❢❢
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