Question

png answer type questions. we .) Explain how changes take place in different ways with the help of suitable e -) Distinguish between physical and chemical changes. Give two examples for Give any two points of difference between reversible and irreversible change How is burning of a candlewick different from melting of candle wax? How is a metal rim fixed around the wooden wheel of a cart? igher Order Thinking Skills) nent bag was left out in the rain. On drying, it hardened into a big lump. of cement be converted into cement powder again? Why? halloon shrink in size when kept inside a freezer?ओ माय गॉड ​

Answer 1

Explanation:

1. physical changes change the object physical property and chemical changes change the chemical chemical properties.
2. physical changes are mostly reversible while chemical changes are mostly Irreversible
3. ine physical change no new object is formed while in chemical change and entirely new substance is formed
4. example physical change melting of wax evaporation and condensation of water chemical change combustion of of paper rusting of iron burning of candle