Question

When hydrogen burns in air,the change in chemical.Give two reasons to support this assetion.

Concise Chemistry For Class Ix By Dr S.P Singh Chapter 5-Physical And Chemical Changes

Answer 1

Answer:

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Answer 2

Hello friend,

◆ Chemical change -

• Chemical change is a process where one or more substances are altered into one or more new and different substances.

# Burning of hydrogen in air is chemical change because -

1. When hydrogen burns in air, water is formed. Here, a new product is formed during tbe process.
2. Chemical (as well as physical) properties of product (water) are different from participating substances (hydrogen & oxygen).

Hope this helped you...