Question

Give examples of substancea with their chemical equations which undergo physical and chemical changes simultaneously

Answer 1

HEY MATE.......

HERE'S YOUR ANSWER.......

BURNING OF CANDLE IS A MOST FAMOUS EXAMPLE DESCRIBED IN THE TEXTBOOK OF NCERT

IN BURNING OF CANDLE MELTING OF WAX THAT IS PHYSICAL PROCESS GOING ON ALONG WITH

BURNING OF CANDLE WHICH IS A CHEMICAL PROCESS

GAS+ HEAT =LIGHT+ CO²+H²O