Identify the gas evolved when sulphur is treated with concentrated nitric acid.

एका वाक्यात उत्तर

When sulphur is treated with concentrated nitric acid, it produces nitrogen dioxide gas.

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Laboratory Preparation of Nitric Acid

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पाठ 10: Study of Compounds: Nitric Acid - Exercise 6 [पृष्ठ २४०]

पाठ 10 Study of Compounds: Nitric Acid
Exercise 6 | Q 6.1 | पृष्ठ २४०

पाठ 10 Study of Compounds C. Nitric Acid
EXERCISE-10 | Q (a) (i) | पृष्ठ १७२

Write a balanced chemical equation for the following:

Action of cold and dilute Nitric acid on Copper

Write a balanced equation for the action of heat on a mixture of copper and concentrated nitric acid.

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

Ammonia is used in the Ostwald process.

Give the sources of reactants used in this process.

Name the Following:
Salt referred to as chile saltpeter.

Name the Following:
Two coloured nitrates.

Give reason for the following:
Conc. Nitric acid renders iron passive.

What do you observe when?
Scrap zinc is heated with conc. HNO₃?

Explain the following:
Concentrated nitric acid appears yellow when it is left standing in a glass bottle.

Complete the table:

Name of Process	Inputs	Equation	Output
	Ammonia + Air		Nitric acid