(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

What are the products obtained by heating ethane in:
(a) Excess of air
(b) Absence of air
(c) Air in presence of copper and 120atm pressure
(d) Air with molybdenum oxide at 100 atm pressure.

What happen when (Given balanced equation):
Nitric acid is added to washing soda and the resulting gas is passed through a freshly prepared lime water?

What happen when (Given balanced equation):
Limestone reacts with nitric acid?

Complete and balance the following equation :
C + HNO₃ → ___________

Complete and balance the following equation :
SO₂ + HNO₃  → ______________

Complete and balance the following equation :
Fe + HNO₃(conc.) → _____________

How is ethylene prepared in laboratory? Give balanced equation and
procedure. How is the gas prepared and dried?

Complete and balance the following equation :
FeSO₄ + NO + H₂O → ______________

Complete and balance the following equation :
Pt + HNO₃ + HCl → ___________

Complete and balance the following equation :
HNO₃ + FeSO₄ + H₂SO₄ → ______________

How would you convert:
(a) Ethene into 1, 2 - dibromoethane.
(b) Ethene to bromoethane

Write the physical properties of ethene.

Hovv will you differentiate that vvhether the given gas is ethane or ethene?

Give two chemical tests to distinguish between dilute nitric acid and hydrochloric acid.

What is hydrogenation? How hydrogenation of ethene occurs? Give one use of hydrogenation.

Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :

Choose the correct answer from the option given below :
 Concentrated nitric acid oxidises phosphorus to :

Choose the correct answer from the option given below :
When treated with nitric acid which of the following liberate hydrogen?

Give two equations to show the conversion of a unsaturated compound to
saturated compound.

Choose the correct answer from the option given below:
The catalyst used in the manufacture of HNO₃ by Ostwald process is