Name a metal nitrate which on heating is changed into metal oxide.

Chemical Equations/Structures

One Word/Term Answer

Copper nitrate [Cu(NO₃)₂]

\[\ce{2Cu(NO3)2 ->[\Delta]2CuO + 4NO2 + O2}\]

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Laboratory Preparation of Nitric Acid

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Chapter 10: Study of Compounds C. Nitric Acid - EXERCISE-10 [Page 181]

Chapter 10 Study of Compounds C. Nitric Acid
EXERCISE-10 | Q (B) 3. (c) | Page 181

Name the products formed when dilute HNO₃ is added to copper.

How will you prepare the following from nitric acid?

Aqua regia

Write the equations involved in Ostwald process.

Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.

What do you observe when?
Conc. HNO₃ drops on the skin of a person?

Fill in the blank with appropriate word/words.
98% nitric acid is obtained by distilling 68% nitric acid with ________ under ______

Fill in the blank with appropriate word/words.
3 Cu + 8 HNO₃(dilute) → _______ + 4H₂O + _________

Describe what you see when concentrated nitric acid is added to copper.

When nitric acid is prepared by the action of concentrated sulphuric acid on potassium nitrate. what is the special feature of the apparatus used?

Explain why only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.