Iron objects undergo rusting when exposed to _______ and _______.

Fill in the Blanks

Iron objects undergo rusting when exposed to water and oxygen.

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Effects of Chemical Changes: Production of Heat, Light, Sound and Pressure

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Chapter 10: Changes around us - Exercises [Page 111]

Chapter 10 Changes around us
Exercises | Q II. 2. | Page 111

Which of the following factor induces electrtolysis?

In Haber’s process of producing ammonia _______ is used as a catalyst.

Electrolysis of brine solution gives _______ gases.

Match the following.

What is pollution?

Explain any three conditions that are required for a chemical reaction to take place. Give example.

Chemically rust is ______.

Lead nitrate produces brown gas on heating.

Photochemistry deals with chemical reactions involving light.

Name the nitrate which does not produce brown gas on heating?

Iron objects undergo rusting when exposed to _ and _.